diff --git a/aircox/models/program.py b/aircox/models/program.py
index 28522da..7a6e6f3 100644
--- a/aircox/models/program.py
+++ b/aircox/models/program.py
@@ -85,7 +85,7 @@ class Program(Page):
 
     @property
     def editors_group_name(self):
-        return "{self.title} editors"
+        return f"{self.title} editors"
 
     @property
     def change_permission_codename(self):