diff --git a/filecheck/config.py b/filecheck/config.py
index 21f3631..23e9466 100644
--- a/filecheck/config.py
+++ b/filecheck/config.py
@@ -31,7 +31,9 @@ class Config:
         'application/x-dosexec': 'application/x-msdos-program',
         # Other apps with confusing mimetypes
         'application/rtf': 'text/rtf',
-        'application/rar': 'application/x-rar'
+        'application/rar': 'application/x-rar',
+        'application/ogg': 'audio/ogg',
+        'audio/ogg': 'application/ogg'
     }
 
     # EXTS
diff --git a/filecheck/filecheck.py b/filecheck/filecheck.py
index 080fc3b..5d91b05 100644
--- a/filecheck/filecheck.py
+++ b/filecheck/filecheck.py
@@ -112,7 +112,7 @@ class File(FileBase):
                                                                  strict=False)
             if expected_extensions:
                 if self.has_extension and self.extension not in expected_extensions:
-                    self.make_dangerous('Extension does not match expected extensions for this mimetype')
+                    self.make_dangerous('Extension does not match expected extensions ({}) for this mimetype'.format(expected_extensions))
 
     def _check_filename(self):
         """