diff --git a/elements/savanna-version/install.d/01-savanna-version b/elements/savanna-version/install.d/01-savanna-version
index 69e6fc00..859c2753 100755
--- a/elements/savanna-version/install.d/01-savanna-version
+++ b/elements/savanna-version/install.d/01-savanna-version
@@ -2,6 +2,7 @@
 
 if [ -z "$SAVANNA_ELEMENTS_COMMIT_ID" -o -z "$DIB_COMMIT_ID" ]
 then
+    echo "Both SAVANNA_ELEMENTS_COMMIT_ID and DIB_COMMIT_ID must be specified, exiting"
     exit 3
 else
     echo -e "Savanna-elements-extra commit id: $SAVANNA_ELEMENTS_COMMIT_ID,