diff --git a/scripts/change_url b/scripts/change_url
index 440e2c9..29d63ff 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -28,6 +28,10 @@ configure_nginx
 #=================================================
 
 ynh_script_progression --message="Updating Synapse config..." --weight=2
+
+# Force enable it because some client like Element X don't support CAS and so require to have password authentication enabled
+password_enabled=true
+
 ynh_add_jinja_config --template="homeserver.yaml" --destination="/etc/matrix-$app/homeserver.yaml"
 ynh_add_config --template="log.yaml" --destination="/etc/matrix-$app/log.yaml"
 
diff --git a/scripts/config b/scripts/config
index 51ee2fe..d2ef516 100644
--- a/scripts/config
+++ b/scripts/config
@@ -27,6 +27,10 @@ ynh_app_config_validate() {
 ynh_app_config_apply() {
     _ynh_app_config_apply
     configure_nginx
+
+    # Force enable it because some client like Element X don't support CAS and so require to have password authentication enabled
+    password_enabled=true
+
     ynh_add_jinja_config --template="homeserver.yaml" --destination="/etc/matrix-$app/homeserver.yaml"
     ynh_add_config --template="log.yaml" --destination="/etc/matrix-$app/log.yaml"
     set_permissions
diff --git a/scripts/install b/scripts/install
index 9d6cd0e..b4f7711 100644
--- a/scripts/install
+++ b/scripts/install
@@ -159,6 +159,9 @@ configure_nginx
 #=================================================
 ynh_script_progression --message="Configuring Synapse..." --weight=2
 
+# Force enable it because some client like Element X don't support CAS and so require to have password authentication enabled
+password_enabled=true
+
 ynh_add_jinja_config --template="homeserver.yaml" --destination="/etc/matrix-$app/homeserver.yaml"
 ynh_add_config --template="log.yaml" --destination="/etc/matrix-$app/log.yaml"
 ynh_add_config --template=sliding_proxy.conf --destination=/etc/matrix-$app/sliding_proxy.conf
diff --git a/scripts/upgrade b/scripts/upgrade
index b9ecfd1..149f656 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -289,6 +289,9 @@ fi
 #=================================================
 ynh_script_progression --message="Updating synapse config..." --weight=2
 
+# Force enable it because some client like Element X don't support CAS and so require to have password authentication enabled
+password_enabled=true
+
 ynh_add_jinja_config --template="homeserver.yaml" --destination="/etc/matrix-$app/homeserver.yaml"
 ynh_add_config --template="log.yaml" --destination="/etc/matrix-$app/log.yaml"
 ynh_add_config --template=sliding_proxy.conf --destination=/etc/matrix-$app/sliding_proxy.conf