diff --git a/configure.in b/configure.in
index 69d9ac6bcc..81a402f114 100644
--- a/configure.in
+++ b/configure.in
@@ -1719,7 +1719,8 @@ fi
 CFLAGS="$saved_cflags"
 LDFLAGS="$saved_ldflags"
 
-GDK_PACKAGES="$PANGO_PACKAGES gio-2.0 $X_PACKAGES cairo-$cairo_backend"
+# Pull in gio-unix for GDesktopAppInfo usage, see at least gdkapplaunchcontext-x11.c
+GDK_PACKAGES="$PANGO_PACKAGES gio-unix-2.0 $X_PACKAGES cairo-$cairo_backend"
 GDK_DEP_LIBS="$GDK_EXTRA_LIBS `$PKG_CONFIG --libs $GDK_PIXBUF_PACKAGES $GDK_PACKAGES` $GDK_PIXBUF_EXTRA_LIBS"
 GDK_DEP_CFLAGS="`$PKG_CONFIG --cflags  gthread-2.0 $GDK_PIXBUF_PACKAGES $GDK_PACKAGES` $GDK_PIXBUF_EXTRA_CFLAGS $GDK_EXTRA_CFLAGS"
 #
diff --git a/gdk/x11/gdkapplaunchcontext-x11.c b/gdk/x11/gdkapplaunchcontext-x11.c
index 3dace4aa5c..4a6f3c5add 100644
--- a/gdk/x11/gdkapplaunchcontext-x11.c
+++ b/gdk/x11/gdkapplaunchcontext-x11.c
@@ -26,6 +26,7 @@
 #include <unistd.h>
 
 #include <glib.h>
+#include <gio/gdesktopappinfo.h>
 
 #include "gdkx.h"
 #include "gdkapplaunchcontext.h"
@@ -282,6 +283,7 @@ _gdk_windowing_get_startup_notify_id (GAppLaunchContext *context,
   char *description;
   char *icon_name;
   const char *binary_name;
+  const char *application_id;
   char *screen_str;
   char *workspace_str;
   GIcon *icon;
@@ -353,6 +355,10 @@ _gdk_windowing_get_startup_notify_id (GAppLaunchContext *context,
   else
     workspace_str = NULL;
 
+  if (G_IS_DESKTOP_APP_INFO (info))
+    application_id = g_desktop_app_info_get_filename (G_DESKTOP_APP_INFO (info));
+  else
+    application_id = NULL;
 
   startup_id = g_strdup_printf ("%s-%lu-%s-%s-%d_TIME%lu",
 				g_get_prgname (),
@@ -372,6 +378,7 @@ _gdk_windowing_get_startup_notify_id (GAppLaunchContext *context,
 					     "DESKTOP", workspace_str,
 					     "DESCRIPTION", description,
 					     "WMCLASS", NULL, /* FIXME */
+					     "APPLICATION_ID", application_id,
 					     NULL);
 
   g_free (description);