diff --git a/libnetwork/datastore/mockstore_test.go b/libnetwork/datastore/mockstore_test.go
index 6532db6a10..db57e8e778 100644
--- a/libnetwork/datastore/mockstore_test.go
+++ b/libnetwork/datastore/mockstore_test.go
@@ -62,14 +62,16 @@ func (s *MockStore) AtomicPut(key string, newValue []byte, previous *store.KVPai
 	if previous == nil {
 		if mData != nil {
 			return nil, types.InvalidParameterErrorf("atomic put failed because key exists")
-		} // Else OK.
+		}
+		// Else OK.
 	} else {
 		if mData == nil {
 			return nil, types.InvalidParameterErrorf("atomic put failed because key exists")
 		}
-		if mData != nil && mData.Index != previous.LastIndex {
+		if mData.Index != previous.LastIndex {
 			return nil, types.InvalidParameterErrorf("atomic put failed due to mismatched Index")
-		} // Else OK.
+		}
+		// Else OK.
 	}
 	if err := s.Put(key, newValue); err != nil {
 		return nil, err