diff --git a/mediapipe/examples/desktop/youtube8m/extract_yt8m_features.cc b/mediapipe/examples/desktop/youtube8m/extract_yt8m_features.cc
index dbabf84b1..f958924f0 100644
--- a/mediapipe/examples/desktop/youtube8m/extract_yt8m_features.cc
+++ b/mediapipe/examples/desktop/youtube8m/extract_yt8m_features.cc
@@ -56,7 +56,7 @@ absl::Status RunMPPGraph() {
   for (const std::string& kv_pair : kv_pairs) {
     std::vector<std::string> name_and_value = absl::StrSplit(kv_pair, '=');
     RET_CHECK(name_and_value.size() == 2);
-    RET_CHECK(!mediapipe::ContainsKey(input_side_packets, name_and_value[0]));
+    RET_CHECK(!input_side_packets.contains(name_and_value[0]));
     std::string input_side_packet_contents;
     MP_RETURN_IF_ERROR(mediapipe::file::GetContents(
         name_and_value[1], &input_side_packet_contents));