1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/mimetypes.py b/Lib/mimetypes.py
index cdebf7a..b98c874 100644
--- a/Lib/mimetypes.py
+++ b/Lib/mimetypes.py
@@ -361,7 +361,7 @@ def init(files=None):
 def read_mime_types(file):
     try:
         f = open(file)
-    except IOError:
+    except OSError:
         return None
     with f:
         db = MimeTypes()