diff --git a/src/stratagus/mainloop.cpp b/src/stratagus/mainloop.cpp
index 70bc3e9f9..ad2103772 100644
--- a/src/stratagus/mainloop.cpp
+++ b/src/stratagus/mainloop.cpp
@@ -866,6 +866,7 @@ global void GameMainLoop(void)
 	ShowStats();
     }
 
+    FlagRevealMap=0;
     GamePaused=0;
 }