diff --git a/llvm/utils/gn/secondary/clang-tools-extra/test/BUILD.gn b/llvm/utils/gn/secondary/clang-tools-extra/test/BUILD.gn
index f4fec31bc6cb38..065808ad71d200 100644
--- a/llvm/utils/gn/secondary/clang-tools-extra/test/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang-tools-extra/test/BUILD.gn
@@ -34,6 +34,7 @@ write_lit_config("lit_site_cfg") {
   extra_values = [
     "CLANG_TOOLS_DIR=" + rebase_path("$root_out_dir/bin"),
     "CLANG_PLUGIN_SUPPORT=0",
+    "LLVM_HOST_TRIPLE=$llvm_current_triple",
     "LLVM_INSTALL_TOOLCHAIN_ONLY=0",
     "LLVM_LIT_TOOLS_DIR=",  # Intentionally empty, matches cmake build.
     "LLVM_TOOLS_DIR=" + rebase_path("$root_out_dir/bin"),