diff --git a/compiler-rt/test/metadata/CMakeLists.txt b/compiler-rt/test/metadata/CMakeLists.txt
index 7f1befbbb8a4..3391a8961fbc 100644
--- a/compiler-rt/test/metadata/CMakeLists.txt
+++ b/compiler-rt/test/metadata/CMakeLists.txt
@@ -5,7 +5,7 @@ if(CAN_TARGET_x86_64)
   set(METADATA_LIT_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
 
   set(SANITIZER_COMMON_TEST_TARGET_ARCH ${X86_64})
-  get_test_cc_for_arch(${X86_64} METADATA_TEST_TARGET_CC METADATA_TEST_TARGET_CFLAGS)
+  get_test_cc_for_arch(x86_64 METADATA_TEST_TARGET_CC METADATA_TEST_TARGET_CFLAGS)
   configure_lit_site_cfg(
     ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.py.in
     ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg.py)