diff --git a/openmp/runtime/test/lit.cfg b/openmp/runtime/test/lit.cfg
index da2d48d0a071b..528a568da4ee2 100644
--- a/openmp/runtime/test/lit.cfg
+++ b/openmp/runtime/test/lit.cfg
@@ -52,7 +52,8 @@ if config.with_hpxc:
     flags += " -I " + config.hpxc_header_directory + \
         " -L " + os.path.realpath(config.hpxc_library_directory) + \
         " --include=hpxc/threads.h --include=hpxc/util/wrap_main.h " + \
-        " -DHPXC_HAVE_DYNAMIC_HPXC_MAIN"
+        " -DHPXC_HAVE_DYNAMIC_HPXC_MAIN" + \
+        " -fnoopenmp-use-tls "
 
 print("with_hpxc: " + str(config.with_hpxc))