diff --git a/Makefile b/Makefile
index 60a649c..fbdc332 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 obj-m := easy_slow_down_manager.o samsung-backlight.o
-KVERSION = $(shell uname -r)
+KERN_DIR=/usr/src/linux
 
 all:
-	$(MAKE) -C /lib/modules/$(KVERSION)/build M=$(PWD) modules
+	$(MAKE) -C /$(KERN_DIR) M=$(PWD) modules
 
 clean:
-	$(MAKE) -C /lib/modules/$(KVERSION)/build M=$(PWD) clean
+	$(MAKE) -C /$(KERN_DIR) M=$(PWD) clean