diff --git a/posts.py b/posts.py
index 42d0769c..cffc4d8f 100644
--- a/posts.py
+++ b/posts.py
@@ -3342,8 +3342,8 @@ def getNonMutualsOfPerson(baseDir: str,
     following = \
         getFollowersList(baseDir, nickname, domain, 'following.txt')
     nonMutuals = []
-    for handle in following:
-        if handle not in followers:
+    for handle in followers:
+        if handle not in following:
             nonMutuals.append(handle)
     return nonMutuals