diff --git a/Mission257Solutions.ipynb b/Mission257Solutions.ipynb
index 929267e..8c88c2b 100644
--- a/Mission257Solutions.ipynb
+++ b/Mission257Solutions.ipynb
@@ -719,9 +719,11 @@
     "  FROM facts\n",
     " WHERE population > (SELECT AVG(population)\n",
     "                       FROM facts\n",
+    "                 WHERE name != 'World'\n"
     "                    )\n",
     "   AND area < (SELECT AVG(area)\n",
     "                 FROM facts\n",
+    "                 WHERE name != 'World'\n"
     ");"
    ]
   },