diff --git a/roles/matrix-bridge-mautrix-facebook/defaults/main.yml b/roles/matrix-bridge-mautrix-facebook/defaults/main.yml
index 80e54e0e..da9b1889 100644
--- a/roles/matrix-bridge-mautrix-facebook/defaults/main.yml
+++ b/roles/matrix-bridge-mautrix-facebook/defaults/main.yml
@@ -51,7 +51,7 @@ matrix_mautrix_facebook_database_hostname: 'matrix-postgres'
 matrix_mautrix_facebook_database_port: 5432
 matrix_mautrix_facebook_database_name: 'matrix_mautrix_facebook'
 
-matrix_mautrix_facebook_database_connection_string: 'postgresql://{{ matrix_mautrix_facebook_database_username }}:{{ matrix_mautrix_facebook_database_password }}@{{ matrix_mautrix_facebook_database_hostname }}:{{ matrix_mautrix_facebook_database_port }}/{{ matrix_mautrix_facebook_database_name }}'
+matrix_mautrix_facebook_database_connection_string: 'postgres://{{ matrix_mautrix_facebook_database_username }}:{{ matrix_mautrix_facebook_database_password }}@{{ matrix_mautrix_facebook_database_hostname }}:{{ matrix_mautrix_facebook_database_port }}/{{ matrix_mautrix_facebook_database_name }}'
 
 matrix_mautrix_facebook_appservice_database: "{{
 	{
diff --git a/roles/matrix-bridge-mautrix-hangouts/defaults/main.yml b/roles/matrix-bridge-mautrix-hangouts/defaults/main.yml
index e266bcbb..8dfee030 100644
--- a/roles/matrix-bridge-mautrix-hangouts/defaults/main.yml
+++ b/roles/matrix-bridge-mautrix-hangouts/defaults/main.yml
@@ -58,7 +58,7 @@ matrix_mautrix_hangouts_database_hostname: 'matrix-postgres'
 matrix_mautrix_hangouts_database_port: 5432
 matrix_mautrix_hangouts_database_name: 'matrix_mautrix_hangouts'
 
-matrix_mautrix_hangouts_database_connection_string: 'postgresql://{{ matrix_mautrix_hangouts_database_username }}:{{ matrix_mautrix_hangouts_database_password }}@{{ matrix_mautrix_hangouts_database_hostname }}:{{ matrix_mautrix_hangouts_database_port }}/{{ matrix_mautrix_hangouts_database_name }}'
+matrix_mautrix_hangouts_database_connection_string: 'postgres://{{ matrix_mautrix_hangouts_database_username }}:{{ matrix_mautrix_hangouts_database_password }}@{{ matrix_mautrix_hangouts_database_hostname }}:{{ matrix_mautrix_hangouts_database_port }}/{{ matrix_mautrix_hangouts_database_name }}'
 
 matrix_mautrix_hangouts_appservice_database: "{{
 	{
diff --git a/roles/matrix-bridge-mautrix-telegram/defaults/main.yml b/roles/matrix-bridge-mautrix-telegram/defaults/main.yml
index 539f0a9c..3f81617a 100644
--- a/roles/matrix-bridge-mautrix-telegram/defaults/main.yml
+++ b/roles/matrix-bridge-mautrix-telegram/defaults/main.yml
@@ -62,7 +62,7 @@ matrix_mautrix_telegram_database_hostname: 'matrix-postgres'
 matrix_mautrix_telegram_database_port: 5432
 matrix_mautrix_telegram_database_name: 'matrix_mautrix_telegram'
 
-matrix_mautrix_telegram_database_connection_string: 'postgresql://{{ matrix_mautrix_telegram_database_username }}:{{ matrix_mautrix_telegram_database_password }}@{{ matrix_mautrix_telegram_database_hostname }}:{{ matrix_mautrix_telegram_database_port }}/{{ matrix_mautrix_telegram_database_name }}'
+matrix_mautrix_telegram_database_connection_string: 'postgres://{{ matrix_mautrix_telegram_database_username }}:{{ matrix_mautrix_telegram_database_password }}@{{ matrix_mautrix_telegram_database_hostname }}:{{ matrix_mautrix_telegram_database_port }}/{{ matrix_mautrix_telegram_database_name }}'
 
 matrix_mautrix_telegram_appservice_database: "{{
 	{