diff --git a/apps/note/models/notes.py b/apps/note/models/notes.py
index e5d9c13c..604e81ae 100644
--- a/apps/note/models/notes.py
+++ b/apps/note/models/notes.py
@@ -102,7 +102,7 @@ class Note(PolymorphicModel):
 
         super().save(*args, **kwargs)
 
-        if not Alias.objects.filter(name=str(self)).exists():
+        if not Alias.objects.filter(normalized_name=Alias.normalize(str(self))).exists():
             a = Alias(name=str(self))
             a.clean()