diff --git a/k8s-openapi-codegen-common/src/lib.rs b/k8s-openapi-codegen-common/src/lib.rs
index ed8d91d214..b7da7a5455 100644
--- a/k8s-openapi-codegen-common/src/lib.rs
+++ b/k8s-openapi-codegen-common/src/lib.rs
@@ -445,7 +445,7 @@ pub fn run(
 					}
 				}
 
-				*operations = operations_by_gkv.into_iter().flat_map(|(_, operations)| operations).collect();
+				*operations = operations_by_gkv.into_values().flatten().collect();
 			}
 
 			match &**definition_path {