diff --git a/wrap/nanoply/include/nanoply.hpp b/wrap/nanoply/include/nanoply.hpp
index b360b60e..b76b11ac 100644
--- a/wrap/nanoply/include/nanoply.hpp
+++ b/wrap/nanoply/include/nanoply.hpp
@@ -24,6 +24,7 @@
 #include <stdexcept>
 #include <cstdio>
 #include <cmath>
+#include <cstring>
 #include <limits>
 #include <fstream>
 #include <sstream>