diff --git a/Simple-installation.md b/Simple-installation.md
index 54b980d..e0cef0e 100644
--- a/Simple-installation.md
+++ b/Simple-installation.md
@@ -360,6 +360,8 @@ ProtectKernelModules=true
 ProtectControlGroups=true
 NoNewPrivileges=true
 ReadWritePaths=/var/lib/radicale/collections
+# from https://github.com/Kozea/Radicale/issues/1614
+StateDirectory=radicale
 
 [Install]
 WantedBy=multi-user.target