diff --git a/src/stratagus/oldmissile.cpp b/src/stratagus/oldmissile.cpp
index 9db649ba4..da8639f4e 100644
--- a/src/stratagus/oldmissile.cpp
+++ b/src/stratagus/oldmissile.cpp
@@ -987,7 +987,7 @@ global void MissileHit(const Missile* missile)
 	    }
 	    return;
 	}
-	DebugLevel0(__FUNCTION__": Oops nothing to hit?");
+	DebugLevel0(__FUNCTION__": Oops nothing to hit (%d,%d)?\n",x,y);
 	return;
     }