diff --git a/scripts/install b/scripts/install
index f203b39..47b7d01 100644
--- a/scripts/install
+++ b/scripts/install
@@ -53,6 +53,7 @@ EOF
 ynh_script_progression --message="Download source files..." --weight=10
 ynh_setup_source --dest_dir="$install_dir"
 
+chmod 750 "$install_dir"
 chown -R "$app:www-data" "$install_dir"
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index f083b6e..4e3e444 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -15,6 +15,7 @@ ynh_script_progression --message="Restoring the app main directory..." --weight=
 
 ynh_restore_file --origin_path="$install_dir"
 
+chmod 750 "$install_dir"
 chown -R $app:www-data "$install_dir"
 
 #=================================================