diff --git a/src/kits/network/libnetapi/DynamicBuffer.cpp b/src/kits/network/libnetapi/DynamicBuffer.cpp
index 6f96f8088c..afe400df1a 100644
--- a/src/kits/network/libnetapi/DynamicBuffer.cpp
+++ b/src/kits/network/libnetapi/DynamicBuffer.cpp
@@ -9,6 +9,7 @@
 #include "DynamicBuffer.h"
 
 #include <stdio.h>
+#include <string.h>
 
 #include <Errors.h>
 #include <SupportDefs.h>
diff --git a/src/kits/network/libnetapi/NetBuffer.cpp b/src/kits/network/libnetapi/NetBuffer.cpp
index 5c31d6bfa4..35a28e3fcf 100644
--- a/src/kits/network/libnetapi/NetBuffer.cpp
+++ b/src/kits/network/libnetapi/NetBuffer.cpp
@@ -14,6 +14,7 @@
 #include "NetBuffer.h"
 
 #include <new>
+#include <string.h>
 
 BNetBuffer::BNetBuffer(size_t size) :
 	BArchivable(),