diff --git a/vhdbuilder/packer/test/linux-vhd-content-test.sh b/vhdbuilder/packer/test/linux-vhd-content-test.sh
index bd0bee75eb3..041c822e488 100644
--- a/vhdbuilder/packer/test/linux-vhd-content-test.sh
+++ b/vhdbuilder/packer/test/linux-vhd-content-test.sh
@@ -867,13 +867,12 @@ testBccTools () {
     fi
   done
   if [ $result -eq 0 ]; then
-    exit 0
+    return 0
   else
-    exit 1
+    return 1
   fi
 }
 
-
 # As we call these tests, we need to bear in mind how the test results are processed by the
 # the caller in run-tests.sh. That code uses az vm run-command invoke to run this script
 # on a VM. It then looks at stderr to see if any errors were reported. Notably it doesn't