diff --git a/include/libssh/libsshpp.hpp b/include/libssh/libsshpp.hpp
index 48c51567..af08a914 100644
--- a/include/libssh/libsshpp.hpp
+++ b/include/libssh/libsshpp.hpp
@@ -56,6 +56,7 @@
 #include <stdlib.h>
 #include <stdarg.h>
 #include <stdio.h>
+#include <string>
 
 namespace ssh {