diff --git a/cloudkitty/storage/v1/sqlalchemy/__init__.py b/cloudkitty/storage/v1/sqlalchemy/__init__.py
index 77403e34..7b56da68 100644
--- a/cloudkitty/storage/v1/sqlalchemy/__init__.py
+++ b/cloudkitty/storage/v1/sqlalchemy/__init__.py
@@ -127,7 +127,7 @@ class SQLAlchemyStorage(storage.BaseStorage):
             self.frame_model.end <= end,
             self.frame_model.res_type != '_NO_DATA_')
         if groupby:
-            q = q.group_by(groupby)
+            q = q.group_by(sqlalchemy.sql.text(groupby))
 
         # Order by sum(rate)
         q = q.order_by(sqlalchemy.func.sum(self.frame_model.rate))
diff --git a/releasenotes/notes/fix-v1-storage-groupby-e865d1315bd390cb.yaml b/releasenotes/notes/fix-v1-storage-groupby-e865d1315bd390cb.yaml
new file mode 100644
index 00000000..02c1e4dd
--- /dev/null
+++ b/releasenotes/notes/fix-v1-storage-groupby-e865d1315bd390cb.yaml
@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    ``CompileError: Can't resolve label reference for ORDER BY / GROUP BY.``
+    errors that were sometimes raised by SQLAlchemy when using the v1 storage
+    backend and grouping on ``tenant_id`` and ``res_type`` have been fixed.