diff --git a/src/base/net/stratum/Pool.cpp b/src/base/net/stratum/Pool.cpp
index eb2fe5066..59b70b11f 100644
--- a/src/base/net/stratum/Pool.cpp
+++ b/src/base/net/stratum/Pool.cpp
@@ -28,6 +28,7 @@
 #include <cstring>
 #include <cstdlib>
 #include <cstdio>
+#include <string>
 
 
 #include "base/net/stratum/Pool.h"