diff --git a/a3/Makefile b/a3/Makefile
index 9c5b4b7..2c6fb8c 100644
--- a/a3/Makefile
+++ b/a3/Makefile
@@ -1,14 +1,20 @@
-CC=gcc
-CFLAGS=-Wall -Wextra -std=c99
-LDFLAGS=-lncurses
-OBJ=main.o snake.o world.o
+CC = gcc
+CFLAGS = -Wall -Wextra -pedantic -std=c99
+LDFLAGS = -lncurses
 
-snake: $(OBJ)
-	$(CC) -o snake $(OBJ) $(LDFLAGS)
+SRC = main.c snake.c world.c
+OBJ = $(SRC:.c=.o)
+DEPS = snake.h world.h
 
-main.o: main.c snake.h world.h
-snake.o: snake.c snake.h
-world.o: world.c world.h snake.h
+TARGET = snake
+
+all: $(TARGET)
+
+$(TARGET): $(OBJ)
+	$(CC) $(OBJ) -o $@ $(LDFLAGS)
+
+%.o: %.c $(DEPS)
+	$(CC) $(CFLAGS) -c $< -o $@
 
 clean:
-	rm -f *.o snake
+	rm -f $(OBJ) $(TARGET)