diff --git a/mediapipe/calculators/core/bypass_calculator.cc b/mediapipe/calculators/core/bypass_calculator.cc
index 86dcfc0e1..efc0612ec 100644
--- a/mediapipe/calculators/core/bypass_calculator.cc
+++ b/mediapipe/calculators/core/bypass_calculator.cc
@@ -130,7 +130,7 @@ class BypassCalculator : public Node {
       pass_out.insert(entry.second);
       auto& packet = cc->Inputs().Get(entry.first).Value();
       if (packet.Timestamp() == cc->InputTimestamp()) {
-        cc->Outputs().Get(entry.first).AddPacket(packet);
+        cc->Outputs().Get(entry.second).AddPacket(packet);
       }
     }
     Timestamp bound = cc->InputTimestamp().NextAllowedInStream();
diff --git a/mediapipe/calculators/core/bypass_calculator_test.cc b/mediapipe/calculators/core/bypass_calculator_test.cc
index 224742a13..ccad510c6 100644
--- a/mediapipe/calculators/core/bypass_calculator_test.cc
+++ b/mediapipe/calculators/core/bypass_calculator_test.cc
@@ -42,10 +42,10 @@ constexpr char kTestGraphConfig1[] = R"pb(
   node {
     calculator: "BypassCalculator"
     input_stream: "PASS:appearances"
-    input_stream: "TRUNCATE:0:video_frame"
-    input_stream: "TRUNCATE:1:feature_config"
+    input_stream: "IGNORE:0:video_frame"
+    input_stream: "IGNORE:1:feature_config"
     output_stream: "PASS:passthrough_appearances"
-    output_stream: "TRUNCATE:passthrough_federated_gaze_output"
+    output_stream: "IGNORE:passthrough_federated_gaze_output"
     node_options: {
       [type.googleapis.com/mediapipe.BypassCalculatorOptions] {
         pass_input_stream: "PASS"