diff --git a/thumbnail/comicbookthumbnail.desktop b/thumbnail/comicbookthumbnail.desktop
--- a/thumbnail/comicbookthumbnail.desktop
+++ b/thumbnail/comicbookthumbnail.desktop
@@ -72,6 +72,6 @@
 Name[zh_CN]=漫画书
 Name[zh_TW]=漫畫書
 ServiceTypes=ThumbCreator
-MimeType=application/x-cbz;application/x-cbr;application/x-cbt;application/vnd.comicbook+zip;application/vnd.comicbook+rar;application/vnd.comicbook+tar;
+MimeType=application/x-cbz;application/x-cbr;application/x-cbt;application/vnd.comicbook+zip;application/vnd.comicbook-rar;application/vnd.comicbook+tar;
 X-KDE-Library=comicbookthumbnail
 CacheThumbnail=true