diff --git a/Common/GmshMessage.cpp b/Common/GmshMessage.cpp
index fdad3339ba75ef57ab34902fc6825957d60ca6d0..260266ee4fa8b8d0cc54ae593eaa54d9fe3c3d2c 100644
--- a/Common/GmshMessage.cpp
+++ b/Common/GmshMessage.cpp
@@ -11,6 +11,7 @@
 #include <sys/stat.h>
 #include "GmshConfig.h"
 #include "GmshMessage.h"
+#include "GmshSocket.h"
 #include "Gmsh.h"
 #include "GModel.h"
 #include "Options.h"