1 files changed, 1 insertions, 0 deletions

diff --git a/loop.c b/loop.c
index b7e5fa7..6c60d6b 100644
--- a/loop.c
+++ b/loop.c
@@ -1,4 +1,5 @@
 #include <assert.h>
+#include <stdlib.h>
 #include <stdio.h>
 
 #include <CL/cl.h>