diff --git a/src/mbyte.c b/src/mbyte.c
index 1609284..b44168d 100644
--- a/src/mbyte.c
+++ b/src/mbyte.c
@@ -109,7 +109,11 @@
 #endif
 
 #if defined(FEAT_GUI_GTK) && defined(FEAT_XIM)
-# include <gdk/gdkkeysyms.h>
+# if GTK_CHECK_VERSION(3,0,0)
+#  include <gdk/gdkkeysyms-compat.h>
+# else
+#  include <gdk/gdkkeysyms.h>
+# endif
 # ifdef WIN3264
 #  include <gdk/gdkwin32.h>
 # else
@@ -4941,7 +4945,11 @@
 #endif
 
     g_return_if_fail(gui.drawarea != NULL);
+#if GTK_CHECK_VERSION(3,0,0)
+    g_return_if_fail(gtk_widget_get_window(gui.drawarea) != NULL);
+#else
     g_return_if_fail(gui.drawarea->window != NULL);
+#endif
 
     xic = gtk_im_multicontext_new();
     g_object_ref(xic);
@@ -4955,7 +4963,11 @@
     g_signal_connect(G_OBJECT(xic), "preedit_end",
 		     G_CALLBACK(&im_preedit_end_cb), NULL);
 
+#if GTK_CHECK_VERSION(3,0,0)
+    gtk_im_context_set_client_window(xic, gtk_widget_get_window(gui.drawarea));
+#else
     gtk_im_context_set_client_window(xic, gui.drawarea->window);
+#endif
 }
 
     void
@@ -5054,12 +5066,21 @@
 
 #  ifdef HAVE_GTK_MULTIHEAD
     event = (GdkEventKey *)gdk_event_new(GDK_KEY_PRESS);
+#   if GTK_CHECK_VERSION(3,0,0)
+    g_object_ref(gtk_widget_get_window(gui.drawarea));
+					/* unreffed by gdk_event_free() */
+#   else
     g_object_ref(gui.drawarea->window); /* unreffed by gdk_event_free() */
+#   endif
 #  else
     event = (GdkEventKey *)g_malloc0((gulong)sizeof(GdkEvent));
     event->type = GDK_KEY_PRESS;
 #  endif
+#  if GTK_CHECK_VERSION(3,0,0)
+    event->window = gtk_widget_get_window(gui.drawarea);
+#  else
     event->window = gui.drawarea->window;
+#  endif
     event->send_event = TRUE;
     event->time = GDK_CURRENT_TIME;
     event->state  = state;