diff --git a/scripts/install b/scripts/install
index 6a3cdc9..fe11920 100644
--- a/scripts/install
+++ b/scripts/install
@@ -12,7 +12,7 @@ source /usr/share/yunohost/helpers
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
-ynh_script_progression --message="Setting up source files..."
+ynh_script_progression --message="Setting up source files..." --weight=2
 
 # Download, check integrity, uncompress and patch the source from app.src
 ynh_setup_source --dest_dir="$install_dir"
@@ -36,7 +36,7 @@ chmod 644 "/etc/cron.d/$app"
 #=================================================
 # SETUP APPLICATION WITH CURL
 #=================================================
-ynh_script_progression --message="Setting up application with CURL..."
+ynh_script_progression --message="Setting up application with CURL..." --weight=2
 
 # Installation with curl
 ynh_local_curl "/index.php?mod=install" \
@@ -47,4 +47,4 @@ ynh_local_curl "/index.php?mod=install" \
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Installation of $app completed"
+ynh_script_progression --message="Installation of $app completed" --last
diff --git a/scripts/remove b/scripts/remove
index 5707ff0..01f53ee 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -24,4 +24,4 @@ ynh_secure_remove --file="/etc/cron.d/$app"
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Removal of $app completed"
+ynh_script_progression --message="Removal of $app completed" --last
diff --git a/scripts/restore b/scripts/restore
index 1390c74..c0578ae 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -6,13 +6,14 @@
 # IMPORT GENERIC HELPERS
 #=================================================
 
+# Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
 #=================================================
 # RESTORE THE APP MAIN DIR
 #=================================================
-ynh_script_progression --message="Restoring the app main directory..." --weight=5
+ynh_script_progression --message="Restoring the app main directory..." --weight=2
 
 ynh_restore_file --origin_path="$install_dir"
 
@@ -53,4 +54,4 @@ ynh_systemd_action --service_name="nginx" --action=reload
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Restoration completed for $app" -last
+ynh_script_progression --message="Restoration completed for $app" --last
diff --git a/scripts/upgrade b/scripts/upgrade
index b1080a1..8f30409 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -28,7 +28,7 @@ then
 fi
 
 chmod -R o-rwx "$install_dir"
-chown -R $app:www-data "$install_dir"
+chown -R "$app:www-data" "$install_dir"
 
 #=================================================
 # REAPPLY SYSTEM CONFIGURATIONS