diff --git a/app/tests/test-tools.c b/app/tests/test-tools.c
index 5ccb4265a8..e27a1a6478 100644
--- a/app/tests/test-tools.c
+++ b/app/tests/test-tools.c
@@ -207,7 +207,7 @@ gimp_test_synthesize_tool_button_event (GimpDisplayShell *shell,
 {
   GdkEvent   *event   = gdk_event_new (button_event_type);
   GdkWindow  *window  = gtk_widget_get_window (GTK_WIDGET (shell->canvas));
-  GdkDisplay *display = gdk_drawable_get_display (GDK_DRAWABLE (window));
+  GdkDisplay *display = gdk_window_get_display (window);
 
   g_assert (button_event_type == GDK_BUTTON_PRESS ||
             button_event_type == GDK_BUTTON_RELEASE);
@@ -238,7 +238,7 @@ gimp_test_synthesize_tool_motion_event (GimpDisplayShell *shell,
 {
   GdkEvent   *event   = gdk_event_new (GDK_MOTION_NOTIFY);
   GdkWindow  *window  = gtk_widget_get_window (GTK_WIDGET (shell->canvas));
-  GdkDisplay *display = gdk_drawable_get_display (GDK_DRAWABLE (window));
+  GdkDisplay *display = gdk_window_get_display (window);
 
   event->motion.window     = g_object_ref (window);
   event->motion.send_event = TRUE;