diff --git a/highfive/newpr.py b/highfive/newpr.py
index 386f9cd3..c422b7ef 100644
--- a/highfive/newpr.py
+++ b/highfive/newpr.py
@@ -352,7 +352,7 @@ def get_to_mention(self, diff, author):
         mention_list = []
         for mention in to_mention:
             entry = mentions[mention]
-            if entry["reviewers"] != author:
+            if author not in entry["reviewers"]:
                 mention_list.append(entry)
         return mention_list