diff --git a/scripts/install b/scripts/install
index 29ef770..c5c2aed 100644
--- a/scripts/install
+++ b/scripts/install
@@ -22,7 +22,10 @@ ynh_setup_source --dest_dir="$tmp_dir"
 cp -a "$tmp_dir/dist/."  "$install_dir/"
 ynh_secure_remove --file="$tmp_dir"
 
+# Set permissions on app files
 chown -R $app:www-data "$install_dir"
+chmod -R 640 "$install_dir"
+find "$install_dir" -type d -print0 | xargs -0 chmod 750
 
 #=================================================
 # NGINX CONFIGURATION