diff --git a/codegen/dbl_list/make_dbl_list.py b/codegen/dbl_list/make_dbl_list.py
index 56b29f1..5524ba4 100644
--- a/codegen/dbl_list/make_dbl_list.py
+++ b/codegen/dbl_list/make_dbl_list.py
@@ -57,7 +57,7 @@ def make_dbl_list(user_datatypes: Dict[CDataType, DblListData] = {}):
     for local_file in common_local_include_files:
         common_includes.append(
             CInclude(
-                header=str(convert_to_relative(local_file, out_dir)),
+                header=str(convert_to_relative(local_file, out_dir)).replace("\\", "/"),
                 local=True,
             )
         )