diff --git a/apps/nccl/README.md b/apps/nccl/README.md
index 08a807f72..251fc03af 100644
--- a/apps/nccl/README.md
+++ b/apps/nccl/README.md
@@ -10,5 +10,5 @@ make -j
 Run rccl-tests
 
 ```bash
-mpirun -np 8 --bind-to numa --allow-run-as-root -x LD_PRELOAD="$MSCCLPP_BUILD/libmscclpp.so $MSCCLPP_BUILD/apps/nccl/libmscclpp_nccl.so" -x MSCCLPP_DEBUG=WARN -x MSCCLPP_DEBUG_SUBSYS=ALL -x NCCL_DEBUG=WARN ./build/all_reduce_perf -b 1K -e 256M -f 2 -d half -G 20 -w 10 -n 50
+mpirun -np 8 --bind-to numa --allow-run-as-root -x LD_PRELOAD="$MSCCLPP_BUILD/libmscclpp.so $MSCCLPP_BUILD/apps/nccl/libmscclpp_nccl.so" -x HIP_FORCE_DEV_KERNARG=1 -x HSA_ENABLE_IPC_MODE_LEGACY=1 -x MSCCLPP_DEBUG=WARN -x MSCCLPP_DEBUG_SUBSYS=ALL -x NCCL_DEBUG=WARN ./build/all_reduce_perf -b 1K -e 256M -f 2 -d half -G 20 -w 10 -n 50
 ```