diff --git a/src/c3nav/mesh/newapi.py b/src/c3nav/mesh/newapi.py
index e2686960..b7634561 100644
--- a/src/c3nav/mesh/newapi.py
+++ b/src/c3nav/mesh/newapi.py
@@ -122,6 +122,10 @@ class UploadFirmwareBuildSchema(Schema):
     project_description: dict = APIField(..., title='project_description.json contents')
     uploaded_filename: str = APIField(..., example="firmware.bin")
 
+    @staticmethod
+    def resolve_boards(obj):
+        return list(obj.boards)
+
 
 class UploadFirmwareSchema(Schema):
     """