From 0b56cfc418ec0e20e23b2dc77b499f7fcb985448 Mon Sep 17 00:00:00 2001
From: Co Quach <daico007@gmail.com>
Date: Mon, 19 Jul 2021 17:25:32 -0500
Subject: [PATCH] fix typo

---
 gmso/core/topology.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gmso/core/topology.py b/gmso/core/topology.py
index eefacf43b..4cc64c68c 100644
--- a/gmso/core/topology.py
+++ b/gmso/core/topology.py
@@ -808,7 +808,7 @@ def _get_untyped_sites(self):
         untyped = {"sites": list()}
         for site in self._sites:
             if not site.atom_type:
-                untyped[sites].append(site)
+                untyped["sites"].append(site)
         return untyped
 
     def _get_untyped_bonds(self):