diff --git a/catcli/utils.py b/catcli/utils.py
index 3fe7c0d..798e784 100644
--- a/catcli/utils.py
+++ b/catcli/utils.py
@@ -32,6 +32,8 @@ def md5sum(path):
             return d.hexdigest()
     except PermissionError:
         pass
+    except OSError as e:
+        Logger.err('md5sum error: {}'.format(e))
     return None