diff --git a/src/gtk/gsockgtk.cpp b/src/gtk/gsockgtk.cpp
index 390b19982e..eb7e78e6c2 100644
--- a/src/gtk/gsockgtk.cpp
+++ b/src/gtk/gsockgtk.cpp
@@ -15,8 +15,13 @@
 #include <stdlib.h>
 #include <stdio.h>
 
+// newer versions of glib define its own GSocket but we unfortunately use this
+// name in our own (semi-)public header and so can't change it -- rename glib
+// one instead
+#define GSocket GlibGSocket
 #include <gdk/gdk.h>
 #include <glib.h>
+#undef GSocket
 
 #include "wx/gsocket.h"
 #include "wx/unix/gsockunx.h"