diff --git a/filecheck/filecheck.py b/filecheck/filecheck.py
index cc67ce5..7c40efb 100644
--- a/filecheck/filecheck.py
+++ b/filecheck/filecheck.py
@@ -55,6 +55,7 @@ class Config:
         'application/x-dosexec': 'application/x-msdos-program',
         # Other apps with confusing mimetypes
         'application/rtf': 'text/rtf',
+        'application/rar': 'application/x-rar',
         'application/vnd.rar': 'application/x-rar',
         'application/ogg': 'audio/ogg',
         'audio/ogg': 'application/ogg'