diff --git a/nix/nixos-module/collectd/default.nix b/nix/nixos-module/collectd/default.nix
index 973d495..feb8c6c 100644
--- a/nix/nixos-module/collectd/default.nix
+++ b/nix/nixos-module/collectd/default.nix
@@ -108,5 +108,8 @@ in
   }) ];
 
 
-  systemd.services.collectd.serviceConfig.StateDirectory = lib.mkIf config.services.dhcpd4.enable "dhcpd4";
+  systemd.services.collectd = lib.mkIf {
+    after = [ "dhcpd4.service" ];
+    serviceConfig.StateDirectory = config.services.dhcpd4.enable "dhcpd4";
+  };
 }