diff --git a/src/Makefile b/src/Makefile
index 34c7a40..4ee6e54 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,12 +1,13 @@
 
 XX = g++
-NVCC = nvcc
+
+CUDA_ROOT = /usr/local/cuda-11.1
+NVCC = $(CUDA_ROOT)/bin/nvcc
 
 PROJECT_ROOT= /mnt/e/fiss/FFNvDecoder
 
 DEPEND_DIR = $(PROJECT_ROOT)/bin
 SRC_ROOT = $(PROJECT_ROOT)/src
-CUDA_ROOT = /usr/local/cuda
 THIRDPARTY_ROOT = $(PROJECT_ROOT)/3rdparty
 
 TARGET= $(DEPEND_DIR)/lib/test