1 files changed, 1 insertions, 0 deletions

diff --git a/malloc.c b/malloc.c
index 5e11ac0..3f6a6a8 100644
--- a/malloc.c
+++ b/malloc.c
@@ -3,6 +3,7 @@
  */
 
 #include <stdlib.h>
+#include <string.h>
 #include "puzzles.h"
 
 /*