diff --git a/src/protocols/secure_channel/CASESession.cpp b/src/protocols/secure_channel/CASESession.cpp
index e6ed3eb80d1b70..4de902b3f6ab37 100644
--- a/src/protocols/secure_channel/CASESession.cpp
+++ b/src/protocols/secure_channel/CASESession.cpp
@@ -2381,9 +2381,10 @@ CHIP_ERROR CASESession::OnMessageReceived(ExchangeContext * ec, const PayloadHea
         if (msgType == Protocols::SecureChannel::MsgType::StatusReport)
         {
             // Need to capture before invoking status report since 'this' might be deallocated on successful completion of sigma3
-            auto key = (mState == State::kSentSigma3) ? kMetricDeviceCASESessionSigma3 : kMetricDeviceCASESessionSigma2Resume;
+            MetricKey key = (mState == State::kSentSigma3) ? kMetricDeviceCASESessionSigma3 : kMetricDeviceCASESessionSigma2Resume;
             err      = HandleStatusReport(std::move(msg), /* successExpected*/ true);
             MATTER_LOG_METRIC_END(key, err);
+            IgnoreUnusedVariable(key);
         }
         break;
     default: