diff --git a/src/codegen/sdk/core/import_resolution.py b/src/codegen/sdk/core/import_resolution.py
index a824d8a72..c6d11af9d 100644
--- a/src/codegen/sdk/core/import_resolution.py
+++ b/src/codegen/sdk/core/import_resolution.py
@@ -706,6 +706,11 @@ def _resolved_types(self) -> Generator[ResolutionStack[Self], None, None]:
     def _compute_dependencies(self, usage_type: UsageKind, dest: HasName | None = None) -> None:
         pass
 
+    @property
+    @override
+    def filepath(self) -> str:
+        return self.imp.filepath
+
 
 class ExternalImportResolver:
     def resolve(self, imp: Import) -> str | None: