diff --git a/docs/installation-guide.rst b/docs/installation-guide.rst
index 8ed2d0e..88fe67b 100644
--- a/docs/installation-guide.rst
+++ b/docs/installation-guide.rst
@@ -73,6 +73,7 @@ Configure systemd
     GENIEACS_FS_ACCESS_LOG_FILE=/var/log/genieacs/genieacs-fs-access.log
     GENIEACS_UI_ACCESS_LOG_FILE=/var/log/genieacs/genieacs-ui-access.log
     GENIEACS_DEBUG_FILE=/var/log/genieacs/genieacs-debug.yaml
+    NODE_OPTIONS=--enable-source-maps
     GENIEACS_EXT_DIR=/opt/genieacs/ext
     GENIEACS_UI_JWT_SECRET=secret