diff --git a/examples/python/model-qa.py b/examples/python/model-qa.py
index 4cc9c9a2d..a98b4d6bb 100644
--- a/examples/python/model-qa.py
+++ b/examples/python/model-qa.py
@@ -26,7 +26,7 @@ def main(args):
 
         input_tokens = tokenizer.encode(args.system_prompt + text)
 
-        prompt_length = len(input_tokens)
+        prompt_length = 
 
         params = og.GeneratorParams(model)
         params.set_search_options({"do_sample": False, "max_length": args.max_length, "min_length": args.min_length, "top_p": args.top_p, "top_k": args.top_k, "temperature": args.temperature, "repetition_penalty": args.repetition_penalty})
@@ -55,7 +55,7 @@ def main(args):
         if args.timings:
             prompt_time = first_token_timestamp - started_timestamp
             run_time = time.time() - first_token_timestamp
-            print(f"Prompt length: {prompt_length}, New tokens: {len(new_tokens)}, Time to first: {(prompt_time):.2f}s, Prompt tokens per second: {prompt_length/prompt_time:.2f} tps, New tokens per second: {len(new_tokens)/run_time:.2f} tps")
+            print(f"Prompt length: {len(input_tokens)}, New tokens: {len(new_tokens)}, Time to first: {(prompt_time):.2f}s, Prompt tokens per second: {prompt_length/prompt_time:.2f} tps, New tokens per second: {len(new_tokens)/run_time:.2f} tps")
 
 
 if __name__ == "__main__":