diff --git a/aerospike_helpers/expressions/resources.py b/aerospike_helpers/expressions/resources.py
index 048ae4aca0..a041d359b5 100644
--- a/aerospike_helpers/expressions/resources.py
+++ b/aerospike_helpers/expressions/resources.py
@@ -1,6 +1,7 @@
 """
 Resources used by all expressions.
 """
+from __future__ import annotations
 
 # from __future__ import annotations
 from itertools import chain
@@ -266,7 +267,12 @@ def __mod__(self, right: "TypeAny"):
 def _create_operator_expression(left_children: "TypeChildren", right_children: "TypeChildren", op_type: int):
     new_expr = _BaseExpr()
     new_expr._op = op_type
-    new_expr._children = (*left_children, *right_children)
+    # Ensure both are tuples (handles generators and lists) before concatenation
+    if not isinstance(left_children, tuple):
+        left_children = tuple(left_children)
+    if not isinstance(right_children, tuple):
+        right_children = tuple(right_children)
+    new_expr._children = left_children + right_children
     return new_expr