diff --git a/setup.py b/setup.py
index f0e642efc33e7..132a46db4e723 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@
 elif sys.version_info >= (3, 7, 0):
     py_tag = PY37
 else:
-    raise OSError('Jina requires Python 3.7 and above, but yours is %s' % sys.version_info)
+    raise OSError('Jina requires Python 3.7 and above, but yours is %s' % sys.version)
 
 try:
     pkg_name = 'jina'