1 files changed, 1 insertions, 1 deletions
diff --git a/os/hal/hal.mk b/os/hal/hal.mk
index 4d5f95f20..01e21c97e 100644
--- a/os/hal/hal.mk
+++ b/os/hal/hal.mk
@@ -1,7 +1,7 @@
 # List of all the ChibiOS/HAL files, there is no need to remove the files
 # from this list, you can disable parts of the HAL by editing halconf.h.
 ifeq ($(USE_SMART_BUILD),yes)
-HALCONF := $(strip $(shell cat halconf.h | egrep -e "define"))
+HALCONF := $(strip $(shell cat halconf.h | egrep -e "\#define"))
 
 HALSRC := $(CHIBIOS)/os/hal/src/hal.c \
           $(CHIBIOS)/os/hal/src/hal_st.c \