diff --git a/examples/fill_example.cpp b/examples/fill_example.cpp
index 4fc0fb0..e491216 100644
--- a/examples/fill_example.cpp
+++ b/examples/fill_example.cpp
@@ -24,6 +24,7 @@
 #include <algorithm>
 #include <iterator>
 #include <memory>
+#include <cstring>
 
 #include <boost/timer.hpp>
 #include <boost/type_traits.hpp>