diff --git a/tvix/glue/src/tests/tvix_tests/eval-okay-toxml-context.nix b/tvix/glue/src/tests/tvix_tests/eval-okay-toxml-context.nix
index 933aa4602..352470980 100644
--- a/tvix/glue/src/tests/tvix_tests/eval-okay-toxml-context.nix
+++ b/tvix/glue/src/tests/tvix_tests/eval-okay-toxml-context.nix
@@ -4,7 +4,7 @@
     inherit (derivation {
       name = "test";
       builder = "/bin/sh";
-      system = builtins.currentSystem;
+      system = "x86_64-linux";
     }) drvPath;
   }))