diff --git a/emmet-api/emmet/api/routes/tasks/query_operators.py b/emmet-api/emmet/api/routes/tasks/query_operators.py
index d9358f8868..0065df326b 100644
--- a/emmet-api/emmet/api/routes/tasks/query_operators.py
+++ b/emmet-api/emmet/api/routes/tasks/query_operators.py
@@ -37,9 +37,9 @@ def post_process(self, docs, query):
         """
 
         for doc in docs:
-            doc.pop("tags")
-            doc.pop("sbxn")
-            doc.pop("dir_name")
+            doc.pop("tags", None)
+            doc.pop("sbxn", None)
+            doc.pop("dir_name", None)
 
         return docs