diff --git a/src/rail_gui.cpp b/src/rail_gui.cpp
--- a/src/rail_gui.cpp
+++ b/src/rail_gui.cpp
@@ -262,7 +262,7 @@ static void PlaceRail_Bridge(TileIndex t
 	if (IsBridgeTile(tile)) {
 		TileIndex other_tile = GetOtherTunnelBridgeEnd(tile);
 		Point pt = {0, 0};
-		w->OnPlaceMouseUp(VPM_X_OR_Y, DDSP_BUILD_BRIDGE, pt, tile, other_tile);
+		w->OnPlaceMouseUp(VPM_X_OR_Y, DDSP_BUILD_BRIDGE, pt, other_tile, tile);
 	} else {
 		VpStartPlaceSizing(tile, VPM_X_OR_Y, DDSP_BUILD_BRIDGE);
 	}
diff --git a/src/road_gui.cpp b/src/road_gui.cpp
--- a/src/road_gui.cpp
+++ b/src/road_gui.cpp
@@ -75,7 +75,7 @@ static void PlaceRoad_Bridge(TileIndex t
 	if (IsBridgeTile(tile)) {
 		TileIndex other_tile = GetOtherTunnelBridgeEnd(tile);
 		Point pt = {0, 0};
-		w->OnPlaceMouseUp(VPM_X_OR_Y, DDSP_BUILD_BRIDGE, pt, tile, other_tile);
+		w->OnPlaceMouseUp(VPM_X_OR_Y, DDSP_BUILD_BRIDGE, pt, other_tile, tile);
 	} else {
 		VpStartPlaceSizing(tile, VPM_X_OR_Y, DDSP_BUILD_BRIDGE);
 	}