diff --git a/src/jit.cpp b/src/jit.cpp
index 21d1022..f5b587a 100644
--- a/src/jit.cpp
+++ b/src/jit.cpp
@@ -3,6 +3,7 @@
 #include "dither.h"
 #include <cassert>
 #include <cstdio>
+#include <cstdlib>
 #include <cstring>
 #include <utility>
 #include <vector>