diff --git a/libmaxsi/include/string.h b/libmaxsi/include/string.h
index 45ad20a8..fcf38d81 100644
--- a/libmaxsi/include/string.h
+++ b/libmaxsi/include/string.h
@@ -26,6 +26,7 @@
 #define	_STRING_H 1
 
 #include <features.h>
+#include <strings.h>
 
 __BEGIN_DECLS