diff --git a/setup.py b/setup.py
index 6acfbd4..cdbd0d9 100755
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@
       version=textfsm.__version__,
       description='Python module for parsing semi-structured text into python tables.',
       long_description=long_description,
-      long_description_content_type=text/markdown,
+      long_description_content_type='text/markdown',
       url='https://github.com/google/textfsm',
       license='Apache License, Version 2.0',
       classifiers=[