1diff --git a/intern/smoke/intern/WAVELET_NOISE.h b/intern/smoke/intern/WAVELET_NOISE.h
2index fce901b..1f73c5e 100644
3--- a/intern/smoke/intern/WAVELET_NOISE.h
4+++ b/intern/smoke/intern/WAVELET_NOISE.h
5@@ -43,6 +43,7 @@
6 #ifndef WAVELET_NOISE_H
7 #define WAVELET_NOISE_H
8
9+#include <string.h>
10 #include <MERSENNETWISTER.h>
11
12 #ifdef WIN32