diff --git a/sources/NicePack.uc b/sources/NicePack.uc
index 7f68931..a0a2a3e 100644
--- a/sources/NicePack.uc
+++ b/sources/NicePack.uc
@@ -322,6 +322,7 @@ auto state loadInteractionnSpawnRate
                 ScrnMut.OriginalWaveSpawnPeriod = FMax(minSpawnRate, FMin(maxSpawnRate, ScrnMut.OriginalWaveSpawnPeriod));
             // do not execute below code on dedicated servers!
             GoToState('');
+            DisableServerGlobalTick();
             return;
         }
 
@@ -345,13 +346,23 @@ auto state loadInteractionnSpawnRate
     }
 }
 
+// disable tick for servers!
+final private function DisableServerGlobalTick()
+{
+    Disable('Tick');
+}
+
 // global tick
 simulated function Tick(float Delta)
 {
     local int i;
     local NicePlayerController localPlayer;
 
-    super.Tick(Delta);
+    if (Role == Role_Authority)
+    {
+        log("Running tick on server...");
+        return;
+    }
 
     localPlayer = NicePlayerController(Level.GetLocalPlayerController());
     // Check if the local PlayerController is available yet