diff --git a/django_mongodb/base.py b/django_mongodb/base.py
index 252db9c2e..0e4687139 100644
--- a/django_mongodb/base.py
+++ b/django_mongodb/base.py
@@ -173,6 +173,7 @@ def _rollback(self):
 
     def close(self):
         if self.connected:
+            self.connection.close()
             del self.connection
             del self.database
             self.connected = False