diff -p -up worminator-3.0R2.1/Worminator.c.strfmt worminator-3.0R2.1/Worminator.c
--- worminator-3.0R2.1/Worminator.c.strfmt	2009-12-05 17:46:09.000000000 +0100
+++ worminator-3.0R2.1/Worminator.c	2009-12-05 17:47:27.000000000 +0100
@@ -2150,7 +2150,7 @@ if ((map_file = fopen(file_name, "rb")) 
 
 // Set current level & clear player if requested
 current_level = new_level;
-snprintf(current_level_mapfile_path, sizeof(current_level_mapfile_path), file_name);
+snprintf(current_level_mapfile_path, sizeof(current_level_mapfile_path), "%s", file_name);
 if (_clear_player) {
 	clear_player();
 	player.score = 0;