diff --git a/tests/hipify-clang/lit.cfg b/tests/hipify-clang/lit.cfg
index bb6ac2b407..76b2ca08dc 100644
--- a/tests/hipify-clang/lit.cfg
+++ b/tests/hipify-clang/lit.cfg
@@ -47,5 +47,5 @@ if obj_root is not None:
 config.substitutions.append(("hipify", obj_root+"/hipify-clang"))
 
 # Clang args for CUDA...
-config.substitutions.append(("%cuda_args", "-x cuda --cuda-path=%s --cuda-gpu-arch=sm_30" % config.cuda_root))
+config.substitutions.append(("%cuda_args", "-x cuda --cuda-path=%s --cuda-gpu-arch=sm_30 -isystem%s/samples/common/inc" % (config.cuda_root, config.cuda_root)))
 config.substitutions.append(("%run_test", config.test_source_root + "/run_test.sh"))