diff --git a/src/d_main.cpp b/src/d_main.cpp
index 072ee03d0..26095d93a 100644
--- a/src/d_main.cpp
+++ b/src/d_main.cpp
@@ -1225,12 +1225,17 @@ void D_DoAdvanceDemo (void)
 	static int pagecount;
 	const char *pagename = NULL;
 
+	advancedemo = false;
+
+	if (gameaction != ga_nothing)
+	{
+		return;
+	}
+
 	V_SetBlend (0,0,0,0);
 	players[consoleplayer].playerstate = PST_LIVE;	// not reborn
-	advancedemo = false;
 	usergame = false;				// no save / end game here
 	paused = 0;
-	gameaction = ga_nothing;
 
 	// [RH] If you want something more dynamic for your title, create a map
 	// and name it TITLEMAP. That map will be loaded and used as the title.