diff --git a/hosts/hydra/hydra.nix b/hosts/hydra/hydra.nix
index 0ffd1b9b..0a00a24b 100644
--- a/hosts/hydra/hydra.nix
+++ b/hosts/hydra/hydra.nix
@@ -68,16 +68,18 @@
       system = lib.concatStringsSep "," ([
         pkgs.system
         "i686-linux"
-      ] ++ config.boot.binfmt.emulatedSystems);
+        "riscv64-linux"
+      ]);
+      # ] ++ config.boot.binfmt.emulatedSystems);
       supportedFeatures = [ "big-parallel" "benchmark" "kvm" "nixos-test" ];
       inherit (config.nix) maxJobs;
-      # } {
-      #   hostName = "client@dacbert.hq.c3d2.de";
-      #   system = lib.concatStringsSep "," [
-      #     "aarch64-linux" "armv6l-linux" "armv7l-linux"
-      #   ];
-      #   supportedFeatures = [ "kvm" "benchmark" "nixos-test" ];
-      #   maxJobs = 1;
+      } {
+        hostName = "client@dacbert.hq.c3d2.de";
+        system = lib.concatStringsSep "," [
+          "aarch64-linux" "armv6l-linux" "armv7l-linux"
+        ];
+        supportedFeatures = [ "kvm" "benchmark" "nixos-test" ];
+        maxJobs = 1;
     }];
 
     daemonCPUSchedPolicy = "idle";