diff --git a/pymongo/__init__.py b/pymongo/__init__.py
index 08d875482..6e8cca135 100644
--- a/pymongo/__init__.py
+++ b/pymongo/__init__.py
@@ -70,7 +70,7 @@ SLOW_ONLY = 1
 ALL = 2
 """Profile all operations."""
 
-version_tuple = (3, 0, 2, 'dev0')
+version_tuple = (3, 0, 2, '.dev0')
 
 def get_version_string():
     if isinstance(version_tuple[-1], str):