diff --git a/fubectl.source b/fubectl.source
index f08654d..b1f05e8 100755
--- a/fubectl.source
+++ b/fubectl.source
@@ -14,7 +14,7 @@ else # hack for Msys2 shell, where fzf doesn't support mintty
     alias _inline_fzf_nh="fzf --multi --ansi -i -1 --reverse -0 --inline-info"
 fi
 
-_isClusterSpaceObject() {
+function _isClusterSpaceObject() {
   # caller is responsible for assuring non-empty "$1"
     obj="$1"
     kubectl api-resources --namespaced=false \
@@ -45,13 +45,13 @@ alias kwall="watch kubectl get pods --all-namespaces"
 alias kp="xdg-open 'http://localhost:8001/api/v1/namespaces/kube-system/services/https:kubernetes-dashboard:/proxy/' & kubectl proxy"
 
 # [kwatchn] watch a resource of KIND in current namespace, usage: kwatchn [KIND] - if KIND is empty then pod is used
-kwatchn() {
+function kwatchn() {
     local kind="${1:-pod}"
     kubectl get "${kind}" | _inline_fzf | awk '{print $1}' | xargs -r watch kubectl get "${kind}"
 }
 
 # [kwatch] watch a resource of KIND in cluster, usage: kwatch [KIND] - if KIND is empty then pod is used
-kwatch() {
+function kwatch() {
     local kind="${1:-pod}"
     if _isClusterSpaceObject "$kind" ; then
         kubectl get "${kind}" | _inline_fzf | awk '{print $1}' | xargs -r watch kubectl get "${kind}"
@@ -61,7 +61,7 @@ kwatch() {
 }
 
 # [kcmd] create a pod from IMAGE (ubuntu by default) and execute CMD (bash by default), usage: kcmd [CMD] [IMAGE]
-kcmd() {
+function kcmd() {
     local cmd="$1"
     local image="${2:-ubuntu}"
     local ns="$(kubectl get ns | _inline_fzf | awk '{print $1}')"
@@ -73,25 +73,25 @@ kcmd() {
 }
 
 # [kube_ctx_name] get the current context
-kube_ctx_name() {
+function kube_ctx_name() {
     kubectl config current-context
 }
 
 # [kube_ctx_namespace] get current namespace
-kube_ctx_namespace() {
+function kube_ctx_namespace() {
     local default_ns="$(kubectl config view --minify|grep namespace: |sed 's/namespace: //g'|tr -d ' ')"
     default_ns="${default_ns:-default}"
     echo "$default_ns"
 }
 
 # [kgetn] get resource of KIND from current namespace, usage: kgetn [KIND] - if KIND is empty then pod is used
-kgetn() {
+function kgetn() {
     local kind="${1:-pod}"
     kubectl get "$kind" | _inline_fzf | awk '{print $1}' | xargs -r kubectl get -o yaml "$kind"
 }
 
 # [kget] get resource of KIND from cluster, usage: kget [KIND] - if KIND is empty then pod is used
-kget() {
+function kget() {
     local kind="${1:-pod}"
     if _isClusterSpaceObject "$kind" ; then
         kubectl get "$kind" | _inline_fzf | awk '{print $1}' | xargs -r kubectl get -o yaml "$kind"
@@ -101,7 +101,7 @@ kget() {
 }
 
 # [kexp] as former `--export` field removes unwanted metadata - usage: COMMAND | kexp
-kexp() {
+function kexp() {
     if [ -t 0 ]; then
         echo "kexp has no piped input!"
         echo "usage: COMMAND | kexp"
@@ -112,18 +112,18 @@ kexp() {
 }
 
 # [kget-exp] get a resource by its YAML as former `--export` flag
-kget-exp() {
+function kget-exp() {
     kget "$@" | kexp
 }
 
 # [kedn] edit resource of KIND from current namespace, usage: kedn [KIND] - if KIND is empty then pod is used
-kedn() {
+function kedn() {
     local kind="${1:-pod}"
     kubectl edit "${kind}" "$(kubectl get "${kind}" | _inline_fzf | awk '{print $1}')"
 }
 
 # [ked] edit resource of KIND from cluster, usage: ked [KIND] - if KIND is empty then pod is used
-ked() {
+function ked() {
     local kind="${1:-pod}"
     local edit_args
     if _isClusterSpaceObject $kind ; then
@@ -135,13 +135,13 @@ ked() {
 }
 
 # [kdesn] describe resource of KIND in current namespace, usage: kdesn [KIND] - if KIND is empty then pod is used
-kdesn() {
+function kdesn() {
     local kind="${1:-pod}"
     kubectl get "$kind" | _inline_fzf | awk '{print $1}' | xargs -r kubectl describe "$kind"
 }
 
 # [kdes] describe resource of KIND in cluster, usage: kdes [KIND] - if KIND is empty then pod is used
-kdes() {
+function kdes() {
     local kind="${1:-pod}"
     if _isClusterSpaceObject "$kind" ; then
         kubectl get "$kind" | _inline_fzf | awk '{print $1}' | xargs -r kubectl describe "$kind"
@@ -151,13 +151,13 @@ kdes() {
 }
 
 # [kdeln] delete resource of KIND in current namespace, usage: kdeln [KIND] - if KIND is empty then pod is used
-kdeln() {
+function kdeln() {
     local kind="${1:-pod}"
     kubectl get "$kind" | _inline_fzf | awk '{print $1}' | xargs -r -p kubectl delete "$kind"
 }
 
 # [kdel] delete resource of KIND in cluster, usage: kdel [KIND] - if KIND is empty then pod is used
-kdel() {
+function kdel() {
     local kind="${1:-pod}"
     if _isClusterSpaceObject "$kind" ; then
         kubectl get "$kind" | _inline_fzf | awk '{print $1}' | xargs -r -p kubectl delete "$kind"
@@ -166,7 +166,7 @@ kdel() {
     fi
 }
 
-_klog_usage() {
+function _klog_usage() {
   cat <<'EOF'
 Usage: klog[n] [LINECOUNT] [options]
 
@@ -176,7 +176,7 @@ EOF
 }
 
 # [klogn] fetch log from container in current namespace
-klogn() {
+function klogn() {
     [ "$1" = "--help" ] && _klog_usage && return
     local line_count=10
     if [[ $1 =~ ^[-]{0,1}[0-9]+$ ]]; then
@@ -192,7 +192,7 @@ klogn() {
 }
 
 # [klog] fetch log from container in the cluster
-klog() {
+function klog() {
     [ "$1" = "--help" ] && _klog_usage && return
     local line_count=10
     if [[ $1 =~ ^[-]{0,1}[0-9]+$ ]]; then
@@ -208,7 +208,7 @@ klog() {
 }
 
 # [kkonfig] select a file in current directory and set it as $KUBECONFIG
-kkonfig() {
+function kkonfig() {
     local kubeconfig
     kubeconfig=$(_inline_fzf_nh) || return
     export KUBECONFIG=$PWD/$kubeconfig
@@ -216,7 +216,7 @@ kkonfig() {
 }
 
 # [kexn] execute command in container from current namespace, usage: kexn CMD [ARGS]
-kexn() {
+function kexn() {
     [ -z "$1" ] && printf "kexn: missing argument(s).\nUsage: kexn CMD [ARGS]\n" && return 255
     local arg_pair=$(kubectl get po | _inline_fzf | awk '{print $1}')
     [ -z "$arg_pair" ] && printf "kexn: no pods found. no execution.\n" && return
@@ -226,7 +226,7 @@ kexn() {
 }
 
 # [kex] execute command in container from cluster, usage: kex CMD [ARGS]
-kex() {
+function kex() {
     [ -z "$1" ] && printf "kex: missing argument(s).\nUsage: kex CMD [ARGS]\n" && return 255
     local arg_pair=$(kubectl get po --all-namespaces | _inline_fzf | awk '{print $1, $2}')
     [ -z "$arg_pair" ] && printf "kex: no pods found. no execution.\n" && return
@@ -236,7 +236,7 @@ kex() {
 }
 
 # [kforn] port-forward a container port from current namesapce, usage: kforn LOCAL_PORT:CONTAINER_PORT
-kforn() {
+function kforn() {
     local port="$1"
     [ -z "$port" ] && printf "kforn: missing argument.\nUsage: kforn LOCAL_PORT:CONTAINER_PORT\n" && return 255
     local arg_pair="$(kubectl get po | _inline_fzf | awk '{print $1}')"
@@ -245,7 +245,7 @@ kforn() {
 }
 
 # [kfor] port-forward a container port from cluster, usage: kfor LOCAL_PORT:CONTAINER_PORT
-kfor() {
+function kfor() {
     local port="$1"
     [ -z "$port" ] && printf "kfor: missing argument.\nUsage: kfor LOCAL_PORT:CONTAINER_PORT\n" && return 255
     local arg_pair="$(kubectl get po --all-namespaces | _inline_fzf | awk '{print $1, $2}')"
@@ -254,7 +254,7 @@ kfor() {
 }
 
 # [ksearch] search for string in resources
-ksearch() {
+function ksearch() {
     local search_query="$1"
     [ -z "$search_query" ] && printf "ksearch: missing argument.\nUsage: ksearch SEARCH_QUERY\n" && return 255
     for ns in $(kubectl get --export -o=json ns | jq -r '.items[] | .metadata.name'); do
@@ -271,13 +271,13 @@ ksearch() {
 alias kcl='kubectl config get-contexts'
 
 # [kcs] context set
-kcs() {
+function kcs() {
     local context="$(kubectl config get-contexts | _inline_fzf | cut -b4- | awk '{print $1}')"
     kubectl config set current-context "${context}"
 }
 
 # [kcns] context set default namespace
-kcns() {
+function kcns() {
     local ns="$1"
     if [ -z "$ns" ]; then
         ns="$(kubectl get ns | _inline_fzf | awk '{print $1}')"
@@ -287,14 +287,14 @@ kcns() {
 }
 
 # [kwns] watch pods in a namespace
-kwns() {
+function kwns() {
     local ns=$(kubectl get ns | _inline_fzf | awk '{print $1}')
     [ -z "$ns" ] && printf "kcns: no namespace selected/found.\nUsage: kwns\n" && return
     watch kubectl get pod -n "$ns"
 }
 
 # [ktreen] prints a tree of k8s objects from current namespace, usage: ktreen [KIND]
-ktreen() {
+function ktreen() {
     local kind="$1"
     if [ -z "$kind" ]; then
         local kind="$(kubectl api-resources -o name | _inline_fzf | awk '{print $1}')"
@@ -303,7 +303,7 @@ ktreen() {
 }
 
 # [ktree] prints a tree of k8s objects from cluster, usage: ktree [KIND]
-ktree() {
+function ktree() {
     local kind="$1"
     if [ -z "$kind" ]; then
         local kind="$(kubectl api-resources -o name | _inline_fzf | awk '{print $1}')"
@@ -316,7 +316,7 @@ ktree() {
 }
 
 # [konsole] create root shell on a node
-konsole() {
+function konsole() {
     local node_hostname="$(kubectl get node --label-columns=kubernetes.io/hostname | _inline_fzf | awk '{print $6}')"
     local ns="$(kubectl get ns | _inline_fzf | awk '{print $1}')"
     local name=shell-$RANDOM
@@ -367,14 +367,14 @@ konsole() {
 }
 
 # [ksecn] decode a value from a secret in current namespace, usage: ksecn
-ksecn() {
+function ksecn() {
     local secret=$(kubectl get secret | _inline_fzf | awk '{print $1}')
     local key=$(kubectl get secret "${secret}" -o go-template='{{- range $k,$v := .data -}}{{- printf "%s\n" $k -}}{{- end -}}' | _inline_fzf_nh)
     kubectl get secret "${secret}" -o go-template='{{ index .data "'$key'" | base64decode }}'
 }
 
 # [ksec] decode a value from a secret in cluster, usage: ksec
-ksec() {
+function ksec() {
     local ns=$(kubectl get ns | _inline_fzf | awk '{print $1}')
     local secret=$(kubectl get secret -n "$ns" | _inline_fzf | awk '{print $1}')
     local key=$(kubectl get secret -n "$ns" "$secret" -o go-template='{{- range $k,$v := .data -}}{{- printf "%s\n" $k -}}{{- end -}}' | _inline_fzf_nh)
@@ -382,18 +382,18 @@ ksec() {
 }
 
 # [kinstall] Install the required kubectl plugins
-kinstall() {
+function kinstall() {
     kubectl krew install tree
     kubectl krew install neat
 }
 # [kupdate] Updates kubectl plugins
-kupdate() {
+function kupdate() {
     kubectl krew upgrade
 }
 
 #### Kubermatic KKP specific
 # [kkp-cluster] Kubermatic KKP - extracts kubeconfig of user cluster and connects it in a new bash
-kkp-cluster() {
+function kkp-cluster() {
     TMP_KUBECONFIG=$(mktemp)
     local cluster="$(kubectl get cluster | _inline_fzf | awk '{print $1}')"
     kubectl get secret admin-kubeconfig -n cluster-$cluster -o go-template='{{ index .data "kubeconfig" | base64decode }}' > $TMP_KUBECONFIG
@@ -401,7 +401,7 @@ kkp-cluster() {
 }
 
 # [khelp] show this help message
-khelp() {
+function khelp() {
     echo "Usage of fubectl"
     echo
     echo "Reduces repetitive interactions with kubectl"