diff --git a/ariadne_graphql_proxy/unwrap_type.py b/ariadne_graphql_proxy/unwrap_type.py
new file mode 100644
index 0000000..d27f7a0
--- /dev/null
+++ b/ariadne_graphql_proxy/unwrap_type.py
@@ -0,0 +1,14 @@
+from typing import cast
+
+from graphql import (
+    GraphQLType,
+    GraphQLNamedType,
+    GraphQLWrappingType,
+)
+
+
+def unwrap_graphql_type(type_: GraphQLType) -> GraphQLNamedType:
+    if isinstance(type_, GraphQLWrappingType):
+        return unwrap_graphql_type(type_.of_type)
+
+    return cast(GraphQLNamedType, type_)