diff --git a/doku2git.py b/doku2git.py
index 67224d3..936bec0 100755
--- a/doku2git.py
+++ b/doku2git.py
@@ -115,7 +115,7 @@ class Change(object):
 
         # If we're not trying to delete a page then ensure we can see the
         # source material in the Dokuwiki attic
-        if self.operation not in ('D'):
+        if self.operation not in 'D':
             attic = os.path.join(src.root, self._attic(src))
             if not os.path.isfile(attic):
                 log.error(f'Source file {attic} not present for {self}; ignoring')