diff --git a/frigate/http.py b/frigate/http.py
index 783ff10b7..e24d37b0b 100644
--- a/frigate/http.py
+++ b/frigate/http.py
@@ -249,13 +249,13 @@ def set_sub_label(id):
 @bp.route("/sub_labels")
 def get_sub_labels():
     try:
-        events = (Event.select(Event.sub_label).distinct()).dicts()
+        events = Event.select(Event.sub_label).distinct()
     except Exception as e:
         return jsonify(
             {"success": False, "message": f"Failed to get sub_labels: {e}"}, "404"
         )
 
-    sub_labels = [e["sub_label"] for e in events]
+    sub_labels = [e.sub_label for e in events]
     sub_labels.remove(None)
     return jsonify(sub_labels)