diff --git a/roles/1-prep/templates/iiab-expand-rootfs b/roles/1-prep/templates/iiab-expand-rootfs
index baa4623dd..3ea6e51ad 100644
--- a/roles/1-prep/templates/iiab-expand-rootfs
+++ b/roles/1-prep/templates/iiab-expand-rootfs
@@ -27,7 +27,7 @@ if [ -f /.expand-rootfs ] || [ -f /.resize-rootfs ]; then
 
         if [ $ROOT_PART_NUM -ne $LAST_PART_NUM ]; then
             echo "ERROR: $ROOT_PART partition ($ROOT_PART_NUM) is not the last partition ($LAST_PART_NUM). Don't know how to expand."
-            return 0
+            exit 1
         fi
 
         # Expand partition