diff --git a/marrow/mongo/query/__init__.py b/marrow/mongo/query/__init__.py
index <HASH>..<HASH> 100644
--- a/marrow/mongo/query/__init__.py
+++ b/marrow/mongo/query/__init__.py
@@ -78,7 +78,7 @@ class Ops(Container):
 		del self.operations[name]
 	
 	def __iter__(self):
-		return iter(self.operations.items())
+		return iter(self.operations.keys())
 	
 	def __len__(self):
 		return len(self.operations)
Make compatible with direct pymongo usage.