diff --git a/js/server/modules/org/arangodb/testing.js b/js/server/modules/org/arangodb/testing.js
index ad0f3c8557..66b25278cc 100644
--- a/js/server/modules/org/arangodb/testing.js
+++ b/js/server/modules/org/arangodb/testing.js
@@ -466,6 +466,7 @@ function shutdownInstance (instanceInfo, options) {
         if (instanceInfo.exitStatus.status === "RUNNING") {
           count ++;
           if (typeof(options.valgrind) === 'string') {
+            wait(1);
             continue;
           }
           if (count % 10 ===0) {