diff --git a/du8/Makefile b/du8/Makefile
index c508293..12f8d2a 100644
--- a/du8/Makefile
+++ b/du8/Makefile
@@ -4,13 +4,18 @@ LDFLAGS = -lncurses
 
 OBJS = main.o game.o world.o
 
-all: game
-
 game: $(OBJS)
-    $(CC) $(OBJS) $(LDFLAGS) -o game
+	$(CC) $(CFLAGS) $(OBJS) $(LDFLAGS) -o game
 
-%.o: %.c
-    $(CC) $(CFLAGS) -c $<
+main.o: main.c game.h world.h
+	$(CC) $(CFLAGS) -c main.c
+
+game.o: game.c game.h world.h
+	$(CC) $(CFLAGS) -c game.c
+
+world.o: world.c world.h
+	$(CC) $(CFLAGS) -c world.c
 
 clean:
-    rm -f $(OBJS) game
+	rm -f *.o game
+