diff --git a/sycl/tools/abi_check.py b/sycl/tools/abi_check.py
index f044ef195d212..8d5975fe5c9ff 100644
--- a/sycl/tools/abi_check.py
+++ b/sycl/tools/abi_check.py
@@ -57,6 +57,7 @@ def dump_symbols(target_path, output):
     out.write(os.path.basename(target_path))
     # TODO properly put OS name once Windows is supported
     out.write("\n# REQUIRES: linux")
+    out.write("\n# UNSUPPORTED: libcxx")
     out.write("\n\n")
     readobj_out = subprocess.check_output([get_llvm_bin_path()+"llvm-readobj",
                                            "-t", target_path])