diff --git a/src/cfchecker/cfchecks.py b/src/cfchecker/cfchecks.py
index 508dd03..6c97248 100644
--- a/src/cfchecker/cfchecks.py
+++ b/src/cfchecker/cfchecks.py
@@ -444,6 +444,9 @@ def __init__(self, uploader=None, useFileName="yes", badc=None, coards=None,
       if debug:
           self.categories += ("DEBUG",)
 
+      if not isinstance(self.version, CFVersion):
+          self.version = CFVersion(self.version)
+
 
   def checker(self, file):