diff --git a/src/window.cpp b/src/window.cpp
index 142ba017e8..6a5a2eee34 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -3330,6 +3330,7 @@ void ReInitAllWindows(bool zoom_changed)
 		ReInitWindow(w, zoom_changed);
 	}
 
+	if (_networking) NetworkUndrawChatMessage();
 	NetworkReInitChatBoxSize();
 
 	/* Make sure essential parts of all windows are visible */