diff --git a/scripts/install b/scripts/install
index 9fcb0a8..cb8e47c 100644
--- a/scripts/install
+++ b/scripts/install
@@ -123,8 +123,9 @@ popd
 #=================================================
 
 # Set permissions to app files
-chown -R $app: $final_path
-chmod -R 755 $final_path
+chmod 755 $final_path
+chown -R $app:www-data $final_path
+chmod -R o-rwx $final_path
 chmod 600 $final_path/.env
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index d373002..3c96378 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -67,8 +67,9 @@ ynh_restore_file --origin_path="$final_path"
 #=================================================
 
 # Restore permissions on app files
-chown -R $app: $final_path
-chmod -R 755 $final_path
+chmod 755 $final_path
+chown -R $app:www-data $final_path
+chmod -R o-rwx $final_path
 chmod 600 $final_path/.env
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 00e9101..901c749 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -122,8 +122,9 @@ popd
 #=================================================
 
 # Set permissions on app files
-chown -R $app: $final_path
-chmod -R 755 $final_path
+chmod 755 $final_path
+chown -R $app:www-data $final_path
+chmod -R o-rwx $final_path
 chmod 600 $final_path/.env
 
 #=================================================