diff --git a/Makefile b/Makefile
index c6429e5..d82f502 100644
--- a/Makefile
+++ b/Makefile
@@ -1,17 +1,19 @@
 CC := clang
 CFLAGS := -Wall -Wextra
 SRC_DIR := src
+HEADER_DIR := header
 BUILD_DIR := build
 OBJECT_FILES := $(patsubst %.c, %.o, $(wildcard $(SRC_DIR)/*.c))
+HEADER_FILES := $(wildcard $(HEADER_DIR)/*.h)
 OBJECT_FILES := $(patsubst $(SRC_DIR)/%, $(BUILD_DIR)/%, $(OBJECT_FILES))
 MAIN_EXE_NAME := eipaasm
 
-all eipaasm: $(OBJECT_FILES)
+all build/eipaasm: $(OBJECT_FILES)
 	$(CC) $(CFLAGS) $^ -o $(BUILD_DIR)/$(MAIN_EXE_NAME)
 
-$(BUILD_DIR)/%.o: $(SRC_DIR)/%.c
+$(BUILD_DIR)/%.o: $(SRC_DIR)/%.c $(HEADER_FILES)
 	@mkdir -p $(BUILD_DIR)
-	$(CC) -c $(CFLAGS) $^ -o $@
+	$(CC) -c $(CFLAGS) $(patsubst %.h,,$^) -o $@
 
 clean:
 	rm -r $(BUILD_DIR)