diff --git a/luascripts/wolfadmin/main.lua b/luascripts/wolfadmin/main.lua
index c04b006..b364af1 100644
--- a/luascripts/wolfadmin/main.lua
+++ b/luascripts/wolfadmin/main.lua
@@ -152,7 +152,10 @@ function et_InitGame(levelTime, randomSeed, restartMap)
 end
 
 function et_ShutdownGame(restartMap)
-    events.trigger("onGameShutdown", (restartMap == 1))
+    -- check whether the module has fully initialized
+    if events then
+        events.trigger("onGameShutdown", (restartMap == 1))
+    end
 end
 
 function et_ConsoleCommand(cmdText)