diff --git a/oletools/oleobj.py b/oletools/oleobj.py
index 2171d6433..b4c64224f 100644
--- a/oletools/oleobj.py
+++ b/oletools/oleobj.py
@@ -212,8 +212,8 @@ def enable_logging():
     'attachedTemplate',
     'externalLink',
     'externalLinkPath',
-    'externalReference'
-    'frame'
+    'externalReference',
+    'frame',
     'hyperlink',
     'officeDocument',
     'oleObject',