diff --git a/Makefile b/Makefile
index c40369b..a84b3d9 100644
--- a/Makefile
+++ b/Makefile
@@ -14,6 +14,7 @@ C_SOURCES = \
   $(SRC_ROOT)/Core/Src/gpio.c \
   $(SRC_ROOT)/Core/Src/tim.c \
   $(SRC_ROOT)/Core/Src/usart.c \
+  $(SRC_ROOT)/Core/Src/weight_ui.c \
   $(SRC_ROOT)/Core/Src/stm32f1xx_it.c \
   $(SRC_ROOT)/Core/Src/stm32f1xx_hal_msp.c \
   $(SRC_ROOT)/Core/Src/system_stm32f1xx.c \