diff --git a/lsteamclient/steamclient_main.c b/lsteamclient/steamclient_main.c
index d87a4bf2..3bd3543e 100644
--- a/lsteamclient/steamclient_main.c
+++ b/lsteamclient/steamclient_main.c
@@ -300,6 +300,7 @@ struct w_steam_iface *create_win_interface(const char *name, void *u_iface)
 done:
     LeaveCriticalSection(&steamclient_cs);
     if (!ret) ERR("Don't recognize interface name: %s\n", name);
+    SetLastError(0);
     return ret;
 }