diff --git a/source/core/gamestruct.h b/source/core/gamestruct.h
index fa553dcb1..6e41b2edb 100644
--- a/source/core/gamestruct.h
+++ b/source/core/gamestruct.h
@@ -96,6 +96,7 @@ struct GameInterface
 	virtual void UpdateSounds() {}
 	virtual void ErrorCleanup() {}
 	virtual void Render() {}
+	virtual void Ticker() {}
 
 
 };
diff --git a/source/core/mainloop.cpp b/source/core/mainloop.cpp
index 598c992b4..1ee24e759 100644
--- a/source/core/mainloop.cpp
+++ b/source/core/mainloop.cpp
@@ -278,7 +278,7 @@ void TryRunTics (void)
 			//if (debugfile) fprintf (debugfile, "run tic %d\n", gametic);
 			C_Ticker ();
 			M_Ticker ();
-			//G_Ticker();
+			gi->Ticker();
 			gametic++;
 
 			NetUpdate ();	// check for new console commands