diff --git a/direct/src/cluster/ClusterMsgs.py b/direct/src/cluster/ClusterMsgs.py
index 90bd86c34d..461c9c2ef2 100644
--- a/direct/src/cluster/ClusterMsgs.py
+++ b/direct/src/cluster/ClusterMsgs.py
@@ -36,7 +36,7 @@ SERVER_STARTUP_STRING = (
     '__builtin__.clusterSyncFlag = %d;' +
     '__builtin__.clusterDaemonClient = \'%s\';' +
     '__builtin__.clusterDaemonPort = %d;'
-    'from DirectStart import *; run()"')
+    'from direct.directbase.DirectStart import *; run()"')
 
 class ClusterMsgHandler:
     """ClusterMsgHandler: wrapper for PC clusters/multi-piping networking"""