diff --git a/llvm/test/lit.site.cfg.py.in b/llvm/test/lit.site.cfg.py.in
index 0192624cd230dc1c08ac7cbba43f4fd5d4000029..3ab266f7543073d3afcac6cf78d09145a5864ac8 100644
--- a/llvm/test/lit.site.cfg.py.in
+++ b/llvm/test/lit.site.cfg.py.in
@@ -62,7 +62,7 @@ config.llvm_raevict_model_autogenerated = @LLVM_RAEVICT_MODEL_AUTOGENERATED@
 config.expensive_checks = @LLVM_ENABLE_EXPENSIVE_CHECKS@
 config.dxil_tests = @LLVM_INCLUDE_DXIL_TESTS@
 config.have_llvm_driver = @LLVM_TOOL_LLVM_DRIVER_BUILD@
-config.ark_gc_support = "@BUILD_ARK_GC_SUPPORT@"
+config.ark_gc_support = @BUILD_ARK_GC_SUPPORT@
 
 import lit.llvm
 lit.llvm.initialize(lit_config, config)