diff --git a/packs/fetch/build/init.sh b/packs/fetch/build/init.sh
index a913a0a..2d1fb79 100644
--- a/packs/fetch/build/init.sh
+++ b/packs/fetch/build/init.sh
@@ -44,7 +44,8 @@ echo "========== write startupscripts based on Procfile"
 if [ ! -f init_build.sh ]; then
     if [ -f Procfile ]; then
         BUILD_CMD=$(cat Procfile | grep build | awk -F  ": " '{print $2}')
-    else
+    fi
+    if [ -z "$BUILD_CMD" ]; then
         BUILD_CMD=$KUBERO_BUILDPACK_DEFAULT_BUILD_CMD
     fi
     echo init-build.sh
@@ -55,7 +56,8 @@ fi
 if [ ! -f init-web.sh ]; then
     if [ -f Procfile ]; then
         WEB_CMD=$(cat Procfile | grep web | awk -F  ": " '{print $2}')
-    else
+    fi
+    if [ -z "$WEB_CMD" ]; then
         WEB_CMD=$KUBERO_BUILDPACK_DEFAULT_RUN_CMD
     fi
     echo init-web.sh
@@ -66,7 +68,8 @@ fi
 if [ ! -f init-worker.sh ]; then
     if [ -f Procfile ]; then
         WORKER_CMD=$(cat Procfile | grep worker | awk -F  ": " '{print $2}')
-    else
+    fi
+    if [ -z "$WORKER_CMD" ]; then
         WORKER_CMD=$KUBERO_BUILDPACK_DEFAULT_RUN_CMD
     fi
     echo init-worker.sh