--- src/packets.c	2009-12-10 15:32:55.000000000 +0000
+++ src/packets.c	2015-03-28 10:57:37.000000000 +0000
@@ -1594,8 +1594,8 @@
     map_pkg.sp_push = map.sp_push;
     map_pkg.start_bombs = bman.start_bombs;
     map_pkg.start_range = bman.start_range;
-    sprintf (map_pkg.start_speed, "%4f", bman.start_speed);
-    sprintf (map_pkg.bomb_tickingtime, "%4f", bman.bomb_tickingtime);
+    snprintf (map_pkg.start_speed, sizeof (map_pkg.start_speed), "%f", bman.start_speed);
+    snprintf (map_pkg.bomb_tickingtime, sizeof (map_pkg.bomb_tickingtime), "%f", bman.bomb_tickingtime);
 
     if (map.random_tileset)
         map_pkg.tileset[0] = 0;