diff --git a/pydgraph/client_stub.py b/pydgraph/client_stub.py
index 41a8e65..08ac853 100644
--- a/pydgraph/client_stub.py
+++ b/pydgraph/client_stub.py
@@ -70,5 +70,9 @@ def check_version(self, check, timeout=None, metadata=None,
 
     def close(self):
         """Deletes channel and stub."""
+        try:
+            self.channel.close()
+        except:
+            pass
         del self.channel
         del self.stub