diff --git a/ex5/Makefile b/ex5/Makefile
index c3b9b5004b6906c0e35eee7fa458786b21d7ad93..a42a69f075909d042da3382c7ab56935f8a32166 100644
--- a/ex5/Makefile
+++ b/ex5/Makefile
@@ -1,10 +1,10 @@
 LIB=-lm
 CC=gcc -Wall -Wextra -pedantic -g
 
-ex4: ex5.o
+ex5: ex5.o
 	$(CC) $^ -fsanitize=address -fsanitize=leak -o $@ $(LIB)
 
-ex4.o: ex5.c
+ex5.o: ex5.c
 	$(CC) -c $< $(LIB)
 clean:
 	rm -f *.o ex5