diff --git a/workers/executor/executors/answer_prompt.py b/workers/executor/executors/answer_prompt.py
index 89936fe59..c22c8aaaf 100644
--- a/workers/executor/executors/answer_prompt.py
+++ b/workers/executor/executors/answer_prompt.py
@@ -333,7 +333,7 @@ def handle_json(
             return
 
         parsed_data = repair_json_with_best_structure(answer)
-        if isinstance(parsed_data, str):
+        if not isinstance(parsed_data, (dict, list)):
             logger.error("Error parsing response to JSON")
             structured_output[prompt_key] = {}
             return