diff --git a/src/viewport.cpp b/src/viewport.cpp
--- a/src/viewport.cpp
+++ b/src/viewport.cpp
@@ -1680,7 +1680,7 @@ void UpdateViewportPosition(Window *w)
 	const ViewPort *vp = w->viewport;
 
 	if (WP(w, vp_d).follow_vehicle != INVALID_VEHICLE) {
-		const Vehicle* veh = GetVehicle(WP(w,vp_d).follow_vehicle);
+		const Vehicle* veh = GetVehicle(WP(w, vp_d).follow_vehicle);
 		Point pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
 
 		SetViewportPosition(w, pt.x, pt.y);