diff --git a/roles/custom/matrix-synapse/defaults/main.yml b/roles/custom/matrix-synapse/defaults/main.yml
index df2f7bf8c..4376a960e 100644
--- a/roles/custom/matrix-synapse/defaults/main.yml
+++ b/roles/custom/matrix-synapse/defaults/main.yml
@@ -336,8 +336,8 @@ matrix_synapse_include_profile_data_on_invite: true
 
 
 # User search behaviour
-matrix_synapse_search_all_users: false
-matrix_synapse_prefer_local_users: false
+matrix_synapse_user_directory_search_all_users: false
+matrix_synapse_user_directory_prefer_local_users: false
 
 # Controls whether people with access to the homeserver can register by themselves.
 matrix_synapse_enable_registration: false