diff --git a/sdk/containerregistry/azure-containerregistry/samples/async_samples/sample_delete_old_tags_async.py b/sdk/containerregistry/azure-containerregistry/samples/async_samples/sample_delete_old_tags_async.py
index 013aeb4b42e9..9d6461250415 100644
--- a/sdk/containerregistry/azure-containerregistry/samples/async_samples/sample_delete_old_tags_async.py
+++ b/sdk/containerregistry/azure-containerregistry/samples/async_samples/sample_delete_old_tags_async.py
@@ -58,7 +58,7 @@ async def delete_old_tags(self):
 
 async def main():
     sample = DeleteOperations()
-    sample.delete_old_tags()
+    await sample.delete_old_tags()
 
 
 if __name__ == "__main__":
diff --git a/sdk/containerregistry/azure-containerregistry/samples/sample_delete_old_tags.py b/sdk/containerregistry/azure-containerregistry/samples/sample_delete_old_tags.py
index 851cd4cf3169..d309cc0a935d 100644
--- a/sdk/containerregistry/azure-containerregistry/samples/sample_delete_old_tags.py
+++ b/sdk/containerregistry/azure-containerregistry/samples/sample_delete_old_tags.py
@@ -44,9 +44,15 @@ def delete_old_tags(self):
             # [START list_tag_properties]
             # Keep the three most recent tags, delete everything else
             tag_count = 0
-            tags = client.list_tag_properties(repository, order_by=TagOrder.LAST_UPDATE_TIME_DESCENDING)
-            for tag in tags[3:]:
-                client.delete_tag(repository, tag.name)
+            for tag in client.list_tag_properties(repository, order_by=TagOrder.LAST_UPDATE_TIME_DESCENDING):
+                tag_count += 1
+                if tag_count > 3:
+                    client.delete_tag(repository, tag.name)
             # [END list_tag_properties]
 
         client.close()
+
+
+if __name__ == "__main__":
+    sample = DeleteOperations()
+    sample.delete_old_tags()
\ No newline at end of file