diff --git a/src/tools/opt-dist/src/tests.rs b/src/tools/opt-dist/src/tests.rs
index f8a26f993198b..4408b7cbdb7fa 100644
--- a/src/tools/opt-dist/src/tests.rs
+++ b/src/tools/opt-dist/src/tests.rs
@@ -79,6 +79,10 @@ llvm-config = "{llvm_config}"
         env.python_binary(),
         x_py.as_str(),
         "test",
+        "--host",
+        env.host_triple(),
+        "--target",
+        env.host_triple(),
         "--stage",
         "0",
         "tests/assembly",