diff --git a/common/scripts/image-build.sh b/common/scripts/image-build.sh
index c0806a8c..6ff5bd0a 100755
--- a/common/scripts/image-build.sh
+++ b/common/scripts/image-build.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#! /bin/sh
 
 IMAGE_PUSH="${1:---skip}"