diff --git a/nixos/modules/services/misc/dysnomia.nix b/nixos/modules/services/misc/dysnomia.nix
index eb94791fbbff..333ba651cde2 100644
--- a/nixos/modules/services/misc/dysnomia.nix
+++ b/nixos/modules/services/misc/dysnomia.nix
@@ -243,6 +243,8 @@ in
       svnBaseDir = config.services.svnserve.svnBaseDir;
     }; }) cfg.extraContainerProperties;
 
+    boot.extraSystemdUnitPaths = [ "/etc/systemd-mutable/system" ];
+
     system.activationScripts.dysnomia = ''
       mkdir -p /etc/systemd-mutable/system
       if [ ! -f /etc/systemd-mutable/system/dysnomia.target ]