diff --git a/open_flamingo/eval/evaluate.py b/open_flamingo/eval/evaluate.py
index 8f3632ec..8b420f72 100644
--- a/open_flamingo/eval/evaluate.py
+++ b/open_flamingo/eval/evaluate.py
@@ -534,7 +534,7 @@ def main():
     if args.eval_coco:
         eval_dataset(
             args,
-            dataset_name="flickr30",
+            dataset_name="coco",
             eval_model=eval_model,
             results=results,
             eval_fn=evaluate_captioning,
@@ -1302,4 +1302,4 @@ def evaluate_classification(
 
 
 if __name__ == "__main__":
-    main()
\ No newline at end of file
+    main()