diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index dde02d99c238..974f9cc766b2 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -112,7 +112,5 @@ obj-$(CONFIG_SENSORS_W83L786NG)	+= w83l786ng.o
 obj-$(CONFIG_SENSORS_WM831X)	+= wm831x-hwmon.o
 obj-$(CONFIG_SENSORS_WM8350)	+= wm8350-hwmon.o
 
-ifeq ($(CONFIG_HWMON_DEBUG_CHIP),y)
-EXTRA_CFLAGS += -DDEBUG
-endif
+ccflags-$(CONFIG_HWMON_DEBUG_CHIP) := -DDEBUG