--- a/xchat.desktop
+++ b/xchat.desktop
@@ -16,8 +16,8 @@
 Comment[zh_TW]=X-Chat 聊天程式
 Comment=Chat with other people using Internet Relay Chat
 Exec=xchat
-Icon=xchat.png
+Icon=xchat
 Terminal=false
 Type=Application
-Categories=Application;Network;
+Categories=Network;
 StartupNotify=true