diff --git a/README.md b/README.md
index 71388c2..7c1b4ac 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Droppy for YunoHost
 
 [![Integration level](https://dash.yunohost.org/integration/droppy.svg)](https://dash.yunohost.org/appci/app/droppy) ![](https://ci-apps.yunohost.org/ci/badges/droppy.status.svg) ![](https://ci-apps.yunohost.org/ci/badges/droppy.maintain.svg)  
-[![Install Droppy with YunoHost](https://install-app.yunohost.org/install-with-yunohost.png)](https://install-app.yunohost.org/?app=droppy)
+[![Install Droppy with YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=droppy)
 
 *[Lire ce readme en français.](./README_fr.md)*
 
diff --git a/README_fr.md b/README_fr.md
index 3ef3d05..c458d16 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -1,7 +1,7 @@
 # Droppy pour YunoHost
 
 [![Niveau d'intégration](https://dash.yunohost.org/integration/droppy.svg)](https://dash.yunohost.org/appci/app/droppy) ![](https://ci-apps.yunohost.org/ci/badges/droppy.status.svg) ![](https://ci-apps.yunohost.org/ci/badges/droppy.maintain.svg)  
-[![Installer Droppy avec YunoHost](https://install-app.yunohost.org/install-with-yunohost.png)](https://install-app.yunohost.org/?app=droppy)
+[![Installer Droppy avec YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=droppy)
 
 *[Read this readme in english.](./README.md)* 
 
diff --git a/manifest.json b/manifest.json
index 5ddb1eb..582bd57 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Self-hosted file storage server",
         "fr": "Serveur de stockage de fichiers auto-hébergé"
     },
-    "version": "12.2.0~ynh3",
+    "version": "12.2.0~ynh4",
     "url": "https://github.com/silverwind/droppy",
     "license": "BSD-2-Clause",
     "maintainer": {
diff --git a/scripts/install b/scripts/install
index abcd2d4..f41b993 100644
--- a/scripts/install
+++ b/scripts/install
@@ -54,7 +54,7 @@ ynh_app_setting_set --app=$app --key=is_public --value=$is_public
 #=================================================
 # FIND AND OPEN A PORT
 #=================================================
-ynh_script_progression --message="Configuring firewall..." --weight=2
+ynh_script_progression --message="Finding an available port..." --weight=2
 
 # Find an available port
 port=$(ynh_find_port --port=8989)
@@ -120,7 +120,7 @@ mkdir -p $data_path
 mkdir -p $final_path/config
 
 # Give permission to the datadir
-chown -R $app:$app "$data_path"
+chown -R $app: "$data_path"
 
 #=================================================
 # SETUP SYSTEMD
@@ -152,7 +152,7 @@ ynh_store_file_checksum --file="$final_path/config/config.json"
 ynh_script_progression --message="Securing files and directories..." --weight=1
 
 # Set permissions to app files
-chown -R $app:$app $final_path
+chown -R $app: $final_path
 chmod 755 $final_path
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 68514d2..31c881f 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -96,7 +96,7 @@ systemctl enable $app.service --quiet
 #=================================================
 
 ynh_restore_file "/home/yunohost.app/$app"
-chown -R $app:$app "/home/yunohost.app/$app"
+chown -R $app: "/home/yunohost.app/$app"
 
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST