diff --git a/nl80211_message.cc b/nl80211_message.cc
index 738e0e4..5b142c3 100644
--- a/nl80211_message.cc
+++ b/nl80211_message.cc
@@ -723,7 +723,9 @@
     case UnprotDisassociateMessage::kCommand:
       return new UnprotDisassociateMessage();
     default:
-      LOG(WARNING) << "Unknown/unhandled netlink nl80211 message " << gnlh->cmd;
+      LOG(WARNING) << StringPrintf(
+          "Unknown/unhandled netlink nl80211 message 0x%02x", gnlh->cmd);
+      return new UnknownNl80211Message(gnlh->cmd);
       break;
   }
   return NULL;