diff --git a/src/W800 SDK v1.00.08/tools/w800/inc.mk b/src/W800 SDK v1.00.08/tools/w800/inc.mk
index 817b452..07f33a2 100644
--- a/src/W800 SDK v1.00.08/tools/w800/inc.mk	
+++ b/src/W800 SDK v1.00.08/tools/w800/inc.mk	
@@ -47,6 +47,7 @@ INCLUDES += -I $(TOP_DIR)/app/app_include
 INCLUDES += -I $(TOP_DIR)/app/app_drivers/lcd
 INCLUDES += -I $(TOP_DIR)/app/app_drivers/mmc_sdio
 INCLUDES += -I $(TOP_DIR)/app/app_drivers/i2c
+INCLUDES += -I $(TOP_DIR)/app/app_drivers/watch_peripherals
 INCLUDES += -I $(TOP_DIR)/app/persistency
 INCLUDES += -I $(TOP_DIR)/app/gfx
 INCLUDES += -I $(TOP_DIR)/app