diff --git a/Makefile b/Makefile
index da5e523..832aab5 100644
--- a/Makefile
+++ b/Makefile
@@ -135,10 +135,10 @@ vpath %.c $(sort $(dir $(C_SOURCES)))
 OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES:.s=.o)))
 vpath %.s $(sort $(dir $(ASM_SOURCES)))
 
-$(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR)
+$(BUILD_DIR)/%.o: %.c Inc/config.h Makefile | $(BUILD_DIR)
 	$(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@
 
-$(BUILD_DIR)/%.o: %.s Makefile | $(BUILD_DIR)
+$(BUILD_DIR)/%.o: %.s Inc/config.h Makefile | $(BUILD_DIR)
 	$(AS) -c $(CFLAGS) $< -o $@
 
 $(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) Makefile