diff --git a/.discourse-compatibility b/.discourse-compatibility
index 2dd8529..d063773 100644
--- a/.discourse-compatibility
+++ b/.discourse-compatibility
@@ -1,3 +1,4 @@
+3.1.0.beta4: f97da59deed6c31734e98d5360510f9746a3a0be
 3.1.0.beta3: 9c270cac9abc1c2b30574d8c655fb3a90546236b
 2.9.0.beta8: 28bc8ab78a09551548c87f511ade3d64e1b04bc3
 2.9.0.beta3: 46f200935dc9e5750c3f2740abd993e27a9b3f6c
diff --git a/lib/pending_assigns_reminder.rb b/lib/pending_assigns_reminder.rb
index 6f48faf..80c28c5 100644
--- a/lib/pending_assigns_reminder.rb
+++ b/lib/pending_assigns_reminder.rb
@@ -110,7 +110,7 @@ class PendingAssignsReminder
   end
 
   def time_in_words_for(topic)
-    FreedomPatches::Rails4.distance_of_time_in_words(
+    AgeWords.distance_of_time_in_words(
       Time.zone.now,
       topic.assigned_at.to_time,
       false,