diff --git a/compiler-rt/cmake/Modules/AddCompilerRT.cmake b/compiler-rt/cmake/Modules/AddCompilerRT.cmake
index b69833cbcc09b..4a496fc18f657 100644
--- a/compiler-rt/cmake/Modules/AddCompilerRT.cmake
+++ b/compiler-rt/cmake/Modules/AddCompilerRT.cmake
@@ -638,6 +638,7 @@ macro(add_custom_libcxx name prefix)
                -DLIBCXXABI_ENABLE_SHARED=OFF
                -DLIBCXXABI_HERMETIC_STATIC_LIBRARY=ON
                -DLIBCXXABI_INCLUDE_TESTS=OFF
+               -DLIBCXX_CXX_ABI=libcxxabi
                -DLIBCXX_ENABLE_EXPERIMENTAL_LIBRARY=OFF
                -DLIBCXX_ENABLE_SHARED=OFF
                -DLIBCXX_HERMETIC_STATIC_LIBRARY=ON