diff --git a/backend/projects/views.py b/backend/projects/views.py
index 59220de75..1f6e97e4e 100644
--- a/backend/projects/views.py
+++ b/backend/projects/views.py
@@ -880,7 +880,7 @@ def convert_prediction_json_to_annotation_result(pk, proj_type):
             return result
         # for pred_type, pred_json in prediction_json.items():
         if 'acoustic_normalised_transcribed_json' in prediction_json.keys():
-            for idx, val, val_acoustic in enumerate(zip(prediction_json['verbatim_transcribed_json'],prediction_json['acoustic_normalised_transcribed_json'])):
+            for idx, (val, val_acoustic) in enumerate(zip(prediction_json['verbatim_transcribed_json'],prediction_json['acoustic_normalised_transcribed_json'])):
                 label_dict = {
                     "origin": "manual",
                     "to_name": "audio_url",