diff --git a/osf/models/mixins.py b/osf/models/mixins.py
index 7f947130d2f6..f3063f1d91db 100644
--- a/osf/models/mixins.py
+++ b/osf/models/mixins.py
@@ -1136,6 +1136,8 @@ def set_subjects(self, new_subjects, auth, add_log=True):
             self.add_subjects_log(old_subjects, auth)
 
         self.save()
+        if hasattr(self, 'update_search'):
+            self.update_search()
 
     def set_subjects_from_relationships(self, subjects_list, auth, add_log=True):
         """ Helper for setting M2M subjects field from list of flattened subjects received from UI.
@@ -1161,6 +1163,8 @@ def set_subjects_from_relationships(self, subjects_list, auth, add_log=True):
             self.add_subjects_log(old_subjects, auth)
 
         self.save()
+        if hasattr(self, 'update_search'):
+            self.update_search()
 
     def map_subjects_between_providers(self, old_provider, new_provider, auth=None):
         """