diff --git a/conf/__APP__.sh b/conf/__APP__.sh
deleted file mode 100644
index 339962b..0000000
--- a/conf/__APP__.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/bash
-
-__FINALPATH__/cowyo --port __PORT__ --host localhost
diff --git a/conf/systemd.service b/conf/systemd.service
index 9152cd1..ee8d466 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -7,7 +7,7 @@ Type=simple
 User=__APP__
 Group=__APP__
 WorkingDirectory=__FINALPATH__/
-ExecStart=__FINALPATH__/__APP__.sh >> /var/log/__APP__.log 2>&1
+ExecStart=__FINALPATH__/cowyo --port __PORT__ --host localhost >> /var/log/__APP__.log 2>&1
 
 [Install]
 WantedBy=multi-user.target
diff --git a/scripts/install b/scripts/install
index 6ade36b..606e0b9 100644
--- a/scripts/install
+++ b/scripts/install
@@ -94,18 +94,12 @@ ynh_system_user_create $app
 #=================================================
 ynh_script_progression --message="Configuring a systemd service..." --time --weight=1
 
+# Set the systemd service settings
+ynh_replace_string "__PORT__" "$port" "../conf/systemd.service"
+
 # Create a dedicated systemd config
 ynh_add_systemd_config
 
-#=================================================
-# MODIFY A CONFIG FILE
-#=================================================
-
-cp ../conf/__APP__.sh "$final_path/${app}.sh"
-ynh_replace_string "__PORT__" "$port" "$final_path/${app}.sh"
-ynh_replace_string "__FINALPATH__" "$final_path" "$final_path/${app}.sh"
-chmod +x "$final_path/${app}.sh"
-
 #=================================================
 # STORE THE CONFIG FILE CHECKSUM
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 99a076d..81454e2 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -140,6 +140,9 @@ ynh_use_logrotate --non-append
 #=================================================
 ynh_script_progression --message="Upgrading systemd configuration..." --time --weight=1
 
+# Set the systemd service settings
+ynh_replace_string "__PORT__" "$port" "../conf/systemd.service"
+
 # Create a dedicated systemd config
 ynh_add_systemd_config