diff --git a/src/posix/platform/multicast_routing.cpp b/src/posix/platform/multicast_routing.cpp
index 5c6d17517..c7272d6fe 100644
--- a/src/posix/platform/multicast_routing.cpp
+++ b/src/posix/platform/multicast_routing.cpp
@@ -453,7 +453,7 @@ bool MulticastRoutingManager::UpdateMulticastRouteInfo(MulticastForwardingCache
     }
     else
     {
-        otLogWarnPlat("MulticastRoutingManager: %s: SIOCGETSGCNT_IN6 %s => %s failed: %s", __FUNCTION__,
+        otLogDebgPlat("MulticastRoutingManager: %s: SIOCGETSGCNT_IN6 %s => %s failed: %s", __FUNCTION__,
                       aMfc.mSrcAddr.ToString().AsCString(), aMfc.mGroupAddr.ToString().AsCString(), strerror(errno));
     }