--- a/src/tunnelbridge_cmd.cpp	Wed Jun 25 21:37:59 2008 +0000
+++ b/src/tunnelbridge_cmd.cpp	Thu Jun 26 00:40:42 2008 +0000
@@ -163,7 +163,7 @@
 bool CheckBridge_Stuff(BridgeType bridge_type, uint bridge_len, uint32 flags)
 {
 	if (flags & DC_QUERY_COST) {
-		return bridge_len <= (_settings_game.construction.longbridges ? 100 : 16);
+		return bridge_len <= (_settings_game.construction.longbridges ? 100U : 16U);
 	}
 
 	if (bridge_type >= MAX_BRIDGES) return false;