--- a/vehicle.c	Wed Mar 30 08:50:34 2005 +0000
+++ b/vehicle.c	Wed Mar 30 09:25:20 2005 +0000
@@ -117,6 +117,16 @@
 	return VehicleFromPos(tile, &ti, EnsureNoVehicleProcZ) == NULL;
 }
 
+Vehicle *FindVehicleOnTileZ(TileIndex tile, byte z)
+{
+	TileInfo ti;
+
+	ti.tile = tile;
+	ti.z = z;
+
+	return VehicleFromPos(tile, &ti, EnsureNoVehicleProcZ);
+}
+
 Vehicle *FindVehicleBetween(TileIndex from, TileIndex to, byte z)
 {
 	int x1 = TileX(from);

--- a/vehicle.h	Wed Mar 30 08:50:34 2005 +0000
+++ b/vehicle.h	Wed Mar 30 09:25:20 2005 +0000
@@ -258,6 +258,7 @@
 void DeleteVehicleChain(Vehicle *v);
 void *VehicleFromPos(TileIndex tile, void *data, VehicleFromPosProc *proc);
 void CallVehicleTicks(void);
+Vehicle *FindVehicleOnTileZ(TileIndex tile, byte z);
 
 void InitializeTrains(void);
 

--- a/water_cmd.c	Wed Mar 30 08:50:34 2005 +0000
+++ b/water_cmd.c	Wed Mar 30 09:25:20 2005 +0000
@@ -532,7 +532,7 @@
 
 		_current_player = OWNER_WATER;
 		{
-			Vehicle *v = FindVehicleBetween(target, target, 0);
+			Vehicle *v = FindVehicleOnTileZ(target, 0);
 			if (v != NULL) FloodVehicle(v);
 		}