diff --git a/src/core/meshcop/commissioner.cpp b/src/core/meshcop/commissioner.cpp
index fac81de5b..0024b549c 100644
--- a/src/core/meshcop/commissioner.cpp
+++ b/src/core/meshcop/commissioner.cpp
@@ -697,11 +697,6 @@ void Commissioner::HandleRelayReceive(Coap::Header &aHeader, Message &aMessage,
     if (!mNetif.GetSecureCoapServer().IsConnectionActive())
     {
         memcpy(mJoinerIid, joinerIid.GetIid(), sizeof(mJoinerIid));
-        mJoinerPort = joinerPort.GetUdpPort();
-        mJoinerRloc = joinerRloc.GetJoinerRouterLocator();
-
-        otLogInfoMeshCoP("Received relay receive for %llX, rloc:%x", HostSwap64(mJoinerIid64), mJoinerRloc);
-
         mJoinerIid[0] ^= 0x2;
 
         for (size_t i = 0; i < sizeof(mJoiners) / sizeof(mJoiners[0]); i++)
@@ -732,6 +727,11 @@ void Commissioner::HandleRelayReceive(Coap::Header &aHeader, Message &aMessage,
 
     VerifyOrExit(enableJoiner, ;);
 
+    mJoinerPort = joinerPort.GetUdpPort();
+    mJoinerRloc = joinerRloc.GetJoinerRouterLocator();
+
+    otLogInfoMeshCoP("Received relay receive for %llX, rloc:%x", HostSwap64(mJoinerIid64), mJoinerRloc);
+
     aMessage.SetOffset(offset);
     SuccessOrExit(error = aMessage.SetLength(offset + length));