diff --git a/pkg/build/testdata/missing-args-expected-output.Dockerfile b/pkg/build/testdata/missing-args-expected-output.Dockerfile
index 3d88f9dd1..cdc093fac 100644
--- a/pkg/build/testdata/missing-args-expected-output.Dockerfile
+++ b/pkg/build/testdata/missing-args-expected-output.Dockerfile
@@ -1,12 +1,12 @@
 # syntax=docker/dockerfile-upstream:1.4.0
 FROM ubuntu:latest
-COPY mybin /cnab/app/
-
 ARG BUNDLE_DIR
 ARG BUNDLE_UID=65532
 ARG BUNDLE_USER=nonroot
 ARG BUNDLE_GID=0
 RUN useradd ${BUNDLE_USER} -m -u ${BUNDLE_UID} -g ${BUNDLE_GID} -o
+COPY mybin /cnab/app/
+
 # exec mixin has no buildtime dependencies
 
 RUN rm ${BUNDLE_DIR}/porter.yaml
diff --git a/pkg/build/testdata/missing-mixins-token-expected-output.Dockerfile b/pkg/build/testdata/missing-mixins-token-expected-output.Dockerfile
index 8c1e39626..dd8e803a7 100644
--- a/pkg/build/testdata/missing-mixins-token-expected-output.Dockerfile
+++ b/pkg/build/testdata/missing-mixins-token-expected-output.Dockerfile
@@ -1,12 +1,12 @@
 # syntax=docker/dockerfile-upstream:1.4.0
 FROM ubuntu:light
 ARG BUNDLE_DIR
-COPY mybin /cnab/app/
-ARG BUNDLE_DIR
 ARG BUNDLE_UID=65532
 ARG BUNDLE_USER=nonroot
 ARG BUNDLE_GID=0
 RUN useradd ${BUNDLE_USER} -m -u ${BUNDLE_UID} -g ${BUNDLE_GID} -o
+ARG BUNDLE_DIR
+COPY mybin /cnab/app/
 # exec mixin has no buildtime dependencies
 
 RUN rm ${BUNDLE_DIR}/porter.yaml