diff --git a/src/steamnetworkingsockets/clientlib/steamnetworkingsockets_ice_client.cpp b/src/steamnetworkingsockets/clientlib/steamnetworkingsockets_ice_client.cpp
index e5a48147..ada15e49 100644
--- a/src/steamnetworkingsockets/clientlib/steamnetworkingsockets_ice_client.cpp
+++ b/src/steamnetworkingsockets/clientlib/steamnetworkingsockets_ice_client.cpp
@@ -2100,6 +2100,9 @@ void CSteamNetworkingICESession::STUNRequestCallback_AllocateRelay( const RecvST
     }
 
     // Try the next TURN server.
+    pIntf->m_strTURNRealm.clear();
+    pIntf->m_strTURNNonce.clear();
+    memset( pIntf->m_arrTURNKey, 0, sizeof( pIntf->m_arrTURNKey ) );
     pIntf->QueueAllocateRequest( m_vecTURNServers[nNextTURNServerIdx], &CSteamNetworkingICESession::STUNRequestCallback_AllocateRelay, m_nEncoding );
 }