diff --git a/ci/common.nix b/ci/common.nix
index f14f3bc7..394e12e7 100644
--- a/ci/common.nix
+++ b/ci/common.nix
@@ -14,7 +14,10 @@
     };
   };
 
-  nix.config.max-silent-time = 60 * 60;
+  nix.config = {
+    max-silent-time = 60 * 60;
+    build-users-group = "";
+  };
   /*
     nix.config = {
     extra-platforms = ["aarch64-linux" "armv6l-linux" "armv7l-linux"];