diff --git a/src/xtd.core.native.posix/src/xtd/native/posix/socket.cpp b/src/xtd.core.native.posix/src/xtd/native/posix/socket.cpp
index b5e3531cd8b..9a4647265f5 100644
--- a/src/xtd.core.native.posix/src/xtd/native/posix/socket.cpp
+++ b/src/xtd.core.native.posix/src/xtd/native/posix/socket.cpp
@@ -9,6 +9,8 @@
 #include <xtd/native/socket_shutdown_constants>
 #include <xtd/native/socket_type_constants>
 #undef __XTD_CORE_NATIVE_LIBRARY__
+#include <cstring>
+#include <locale>
 #include <map>
 #include <string>
 #include <errno.h>
diff --git a/src/xtd.core.native.unix/src/xtd/native/unix/socket.cpp b/src/xtd.core.native.unix/src/xtd/native/unix/socket.cpp
index 5d03a6399e6..4a7ab8fb312 100644
--- a/src/xtd.core.native.unix/src/xtd/native/unix/socket.cpp
+++ b/src/xtd.core.native.unix/src/xtd/native/unix/socket.cpp
@@ -9,6 +9,8 @@
 #include <xtd/native/socket_shutdown_constants>
 #include <xtd/native/socket_type_constants>
 #undef __XTD_CORE_NATIVE_LIBRARY__
+#include <cstring>
+#include <locale>
 #include <map>
 #include <string>
 #include <errno.h>