diff --git a/run-build-functions.sh b/run-build-functions.sh
index d2bc3ec7..2eb6443a 100755
--- a/run-build-functions.sh
+++ b/run-build-functions.sh
@@ -369,10 +369,9 @@ install_dependencies() {
   fi
 
   # Cask
-  if [ -n "Cask" ]
+  if [ -f Cask ]
   then
-    cask install
-    if [ $? -eq 0 ]
+    if cask install
     then
       echo "Emacs packages installed"
     fi