diff --git a/mars-nwe-webui.service.cmake b/mars-nwe-webui.service.cmake
index 2005c46..e86d211 100644
--- a/mars-nwe-webui.service.cmake
+++ b/mars-nwe-webui.service.cmake
@@ -19,6 +19,7 @@ RestartSec=2
 NoNewPrivileges=true
 PrivateTmp=true
 ProtectSystem=full
+ReadWritePaths=@MARS_NWE_INSTALL_FULL_CONFDIR@
 ProtectHome=true
 
 [Install]