diff --git a/src/settings.cpp b/src/settings.cpp
index b407f39f6b..3415108aa8 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -768,6 +768,7 @@ static bool UpdateConsists(int32 p1)
 		/* Update the consist of all trains so the maximum speed is set correctly. */
 		if (t->IsFrontEngine() || t->IsFreeWagon()) t->ConsistChanged(true);
 	}
+	InvalidateWindowClassesData(WC_BUILD_VEHICLE, 0);
 	return true;
 }