diff --git a/js/server/modules/org/arangodb/cluster/kickstarter.js b/js/server/modules/org/arangodb/cluster/kickstarter.js
index cf34d18638..8f268ea30b 100644
--- a/js/server/modules/org/arangodb/cluster/kickstarter.js
+++ b/js/server/modules/org/arangodb/cluster/kickstarter.js
@@ -417,7 +417,11 @@ launchActions.startServers = function (dispatchers, cmd, isRelaunch) {
 
   var error = false;
   for (i = 0;i < endpoints.length;i++) {
-    if (! waitForServerUp(endpoints[i], 50)) {
+    var timeout = 50;
+    if (cmd.valgrind !== '') {
+      timeout *= 1000;
+    }
+    if (! waitForServerUp(endpoints[i], timeout)) {
       error = true;
     }
   }