diff --git a/src/main/cpp/sdk/extern/CPullConsumer.cpp b/src/main/cpp/sdk/extern/CPullConsumer.cpp
index 88b9d12..61fe7ae 100644
--- a/src/main/cpp/sdk/extern/CPullConsumer.cpp
+++ b/src/main/cpp/sdk/extern/CPullConsumer.cpp
@@ -19,6 +19,7 @@
 #include "CCommon.h"
 #include "CMessageExt.h"
 #include "ONSFactory.h"
+#include "string.h"
 
 using namespace ons;
 using namespace std;