diff --git a/roles/matrix-bridge-mautrix-signal/defaults/main.yml b/roles/matrix-bridge-mautrix-signal/defaults/main.yml
index 962140c90..65318f190 100644
--- a/roles/matrix-bridge-mautrix-signal/defaults/main.yml
+++ b/roles/matrix-bridge-mautrix-signal/defaults/main.yml
@@ -59,7 +59,7 @@ matrix_mautrix_signal_database_connection_string: 'postgres://{{ matrix_mautrix_
 
 matrix_mautrix_signal_appservice_database: "{{
  	{
- 		'postgres': matrix_mautrix_facebook_database_connection_string,
+ 		'postgres': matrix_mautrix_signal_database_connection_string,
  	}[matrix_mautrix_signal_database_engine]
  }}"