diff --git a/OpenCL_version/Makefile b/OpenCL_version/Makefile
index 21f7b92..1e000e2 100755
--- a/OpenCL_version/Makefile
+++ b/OpenCL_version/Makefile
@@ -3,7 +3,7 @@
 FLAGS=-Wextra
 NVIDIA_INCLUDE=-I/usr/local/cuda/include -L/usr/local/cuda/lib64
 COMMON_INCLUDE=-I/usr/include -L/usr/lib64 -L/usr/lib
-MAKE_INCLUDE=$(COMMON_INCLUDE) -cl-std=CL1.2 -O3
+MAKE_INCLUDE=$(COMMON_INCLUDE) $(NVIDIA_INCLUDE) -cl-std=CL1.2 -O3
 
 all:
 	gcc $(MAKE_INCLUDE) $(FLAGS) -o bitcracker_opencl main.c opencl_attack.c utils.c w_blocks.c -lOpenCL