diff --git a/compiler-rt/cmake/config-ix.cmake b/compiler-rt/cmake/config-ix.cmake
index d4f6adf08242..e405f2566284 100644
--- a/compiler-rt/cmake/config-ix.cmake
+++ b/compiler-rt/cmake/config-ix.cmake
@@ -149,7 +149,7 @@ else()
   elseif("${COMPILER_RT_TEST_TARGET_ARCH}" MATCHES "aarch32")
     test_target_arch(aarch32 "-march=armv8-a")
   elseif("${COMPILER_RT_TEST_TARGET_ARCH}" MATCHES "aarch64")
-    test_target_arch(aarch64 "-march=aarch64")
+    test_target_arch(aarch32 "-march=armv8-a")
   endif()
   set(COMPILER_RT_OS_SUFFIX "")
 endif()