--- a/vehicle.c	Mon Sep 04 21:47:46 2006 +0000
+++ b/vehicle.c	Mon Sep 04 22:22:38 2006 +0000
@@ -729,7 +729,7 @@
 */
 int32 GetRefitCost(EngineID engine_type)
 {
-	int32 base_cost;
+	int32 base_cost = 0;
 
 	switch (GetEngine(engine_type)->type) {
 		case VEH_Ship: base_cost = _price.ship_base; break;