diff --git a/tools/serving_build.sh b/tools/serving_build.sh
index ccd4c2f608e12a01c2a711ff503f99bc754bae2e..e4bf6ece3a9df1808b9190e9e77d8d2e8aba62c0 100644
--- a/tools/serving_build.sh
+++ b/tools/serving_build.sh
@@ -48,7 +48,7 @@ function rerun() {
     done
     exit 1
 }
- 
+
 function build_app() {
     local TYPE=$1
     local DIRNAME=build-app-$TYPE