diff --git a/scripts/install b/scripts/install
index 777b82a..513cf5f 100644
--- a/scripts/install
+++ b/scripts/install
@@ -131,8 +131,9 @@ popd || ynh_die
 #=================================================
 ynh_script_progression --message="Securing files and directories..." --weight=1
 
-chown -R $app:$app $final_path
+chmod 750 "$final_path"
 chmod -R o-rwx $final_path
+chown -R $app:$app $final_path
 chmod 600 "$final_path/config/config.js"
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 1b1ae01..85543cc 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -69,8 +69,9 @@ ynh_restore_file --origin_path="$final_path"
 #=================================================
 
 # Restore permissions on app files
-chown -R $app: $final_path
+chmod 750 "$final_path"
 chmod -R o-rwx $final_path
+chown -R $app:$app $final_path
 chmod 600 "$final_path/config/config.js"
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 95ae3a1..0286dc5 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -141,8 +141,9 @@ ynh_add_systemd_config
 #=================================================
 
 # Set permissions on app files
-chown -R $app: $final_path
+chmod 750 "$final_path"
 chmod -R o-rwx $final_path
+chown -R $app:$app $final_path
 chmod 600 "$final_path/config/config.js"
 
 #=================================================