diff --git a/libcxxabi/test/configs/llvm-libc++abi-llvm-libc.cfg.in b/libcxxabi/test/configs/llvm-libc++abi-llvm-libc.cfg.in
index 31e5d1102737..88f5bd4c545a 100644
--- a/libcxxabi/test/configs/llvm-libc++abi-llvm-libc.cfg.in
+++ b/libcxxabi/test/configs/llvm-libc++abi-llvm-libc.cfg.in
@@ -7,7 +7,7 @@ config.substitutions.append(('%{flags}',
     '-isysroot {}'.format('@CMAKE_OSX_SYSROOT@') if '@CMAKE_OSX_SYSROOT@' else ''
 ))
 config.substitutions.append(('%{compile_flags}',
-    '-nostdinc++ -I %{include} -I %{cxx-include} -I %{cxx-target-include} %{maybe-include-libunwind} -I %{libcxx}/test/support -I %{libcxx}/src -D_LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS'
+    '-nostdlibinc -I %{include} -I %{cxx-include} -I %{cxx-target-include} %{maybe-include-libunwind} -I @CMAKE_BINARY_DIR@/libc/include -I %{libcxx}/test/support -I %{libcxx}/src -idirafter @LIBC_KERNEL_HEADERS@ -D_LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS'
 ))
 config.substitutions.append(('%{link_flags}',
     '-nodefaultlibs -nostartfiles -L %{lib} -lc++ -lc++abi -pthread @CMAKE_BINARY_DIR@/libc/startup/linux/crt1.o @CMAKE_BINARY_DIR@/libc/lib/libc.a -static -fno-use-cxa-atexit'