diff --git a/docs/changes.txt b/docs/changes.txt
index 5dd86e51dc..9c5f4a68e8 100644
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -593,6 +593,7 @@ All (GUI):
 wxGTK:
 
 - Fix mouse wheel scrolling in wxListCtrl broken just before 3.0.0.
+- Fix memory leak in wxSocket
 
 wxMSW:
 
diff --git a/src/gtk/sockgtk.cpp b/src/gtk/sockgtk.cpp
index dd786ce35a..85d56c3a71 100644
--- a/src/gtk/sockgtk.cpp
+++ b/src/gtk/sockgtk.cpp
@@ -46,11 +46,14 @@ class GTKFDIOManager : public wxFDIOManager
 public:
     virtual int AddInput(wxFDIOHandler *handler, int fd, Direction d)
     {
-        return g_io_add_watch(
-            g_io_channel_unix_new(fd),
+        GIOChannel* channel = g_io_channel_unix_new(fd);
+        unsigned id = g_io_add_watch(
+            channel,
             d == OUTPUT ? G_IO_OUT : G_IO_IN,
             wxSocket_Input,
             handler);
+        g_io_channel_unref(channel);
+        return id;
     }
 
     virtual void