1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 0dbfe31..3039d1d 100644
--- a/Makefile
+++ b/Makefile
@@ -20,7 +20,7 @@ kernel/main.o: kernel/util.h
 
 providence.img: ${OBJ}
 	${CC} ${LDFLAGS} $^ ${LDLIBS} -o $@
-	@du -b $@
+	test "$$(wc -c $@ | cut -f1 -d' ')" -le 29696 || { rm -f $@ ; false ; }
 	truncate -s 29696 $@
 
 %.o: %.c