diff --git a/scripts/install b/scripts/install
index aa511ac..7a559d6 100644
--- a/scripts/install
+++ b/scripts/install
@@ -91,7 +91,7 @@ ynh_setup_source --dest_dir="$final_path" --source_id=$architecture
 
 chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
-chown -R root:$app "$final_path"
+chown -R $app:$app "$final_path"
 
 #=================================================
 # NGINX CONFIGURATION
@@ -112,15 +112,7 @@ ynh_script_progression --message="Creating sync directory..."
 mkdir -p "$sync_home"
 chmod 750 "$sync_home"
 chmod -R o-rwx "$sync_home"
-chown -R root:$app "$sync_home"
-
-#=================================================
-# SETUP SYSTEMD
-#=================================================
-ynh_script_progression --message="Configuring a systemd service..."
-
-# Create a dedicated systemd config
-ynh_add_systemd_config
+chown -R $app:$app "$sync_home"
 
 #=================================================
 # ADD A CONFIGURATION
@@ -134,6 +126,14 @@ ynh_add_config --template="../conf/config.xml" --destination="$config_file"
 chmod 400 "$config_file"
 chown $app:$app "$config_file"
 
+#=================================================
+# SETUP SYSTEMD
+#=================================================
+ynh_script_progression --message="Configuring a systemd service..."
+
+# Create a dedicated systemd config
+ynh_add_systemd_config
+
 #=================================================
 # FIX LISTENING SERVICE
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index e4dee15..f9eaca4 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -77,7 +77,7 @@ ynh_restore_file --origin_path="$final_path"
 
 chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
-chown -R root:$app "$final_path"
+chown -R $app:$app "$final_path"
 
 #=================================================
 # SPECIFIC RESTORATION
@@ -93,7 +93,7 @@ ynh_restore_file --origin_path="$sync_home" --not_mandatory
 mkdir -p "$sync_home"
 chmod 750 "$sync_home"
 chmod -R o-rwx "$sync_home"
-chown -R root:$app "$sync_home"
+chown -R $app:$app "$sync_home"
 
 #=================================================
 # RESTORE SYSTEMD
diff --git a/scripts/upgrade b/scripts/upgrade
index 8f93da0..d38071a 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -143,7 +143,7 @@ fi
 
 chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
-chown -R root:$app "$final_path"
+chown -R $app:$app "$final_path"
 
 #=================================================
 # NGINX CONFIGURATION
@@ -164,15 +164,7 @@ ynh_script_progression --message="Creating sync directory..."
 mkdir -p "$sync_home"
 chmod 750 "$sync_home"
 chmod -R o-rwx "$sync_home"
-chown -R root:$app "$sync_home"
-
-#=================================================
-# SETUP SYSTEMD
-#=================================================
-ynh_script_progression --message="Upgrading systemd configuration..."
-
-# Create a dedicated systemd config
-ynh_add_systemd_config
+chown -R $app:$app "$sync_home"
 
 #=================================================
 # UPDATE A CONFIG FILE
@@ -185,6 +177,17 @@ ynh_backup_if_checksum_is_different --file="$config_file"
 # Recalculate and store the checksum of the file for the next upgrade.
 ynh_store_file_checksum --file="$config_file"
 
+chmod 400 "$config_file"
+chown $app:$app "$config_file"
+
+#=================================================
+# SETUP SYSTEMD
+#=================================================
+ynh_script_progression --message="Upgrading systemd configuration..."
+
+# Create a dedicated systemd config
+ynh_add_systemd_config
+
 #=================================================
 # GENERIC FINALIZATION
 #=================================================