diff --git a/server/app.js b/server/app.js
index a94779b8..3a6a0458 100644
--- a/server/app.js
+++ b/server/app.js
@@ -16,6 +16,7 @@ try {
     startClustered(true);
 } catch(e) {
     console.log("Couldn't connect to redis-server, assuming non-clustered run");
+    num_processes = 1;
     startClustered(false);
 }