diff --git a/app/display/gimpdisplayshell.c b/app/display/gimpdisplayshell.c
index 83ece443d5..1ab68ca33d 100644
--- a/app/display/gimpdisplayshell.c
+++ b/app/display/gimpdisplayshell.c
@@ -472,9 +472,11 @@ gimp_display_shell_constructed (GObject *object)
       /* These values are arbitrary. The width is determined by the
        * menubar and the height is chosen to give a window aspect
        * ratio of roughly 3:1 (as requested by the UI team).
+       * It must be smaller than the minimal supported display
+       * dimension (1280x720 a.k.a. 720p).
        */
       image_width  = GIMP_DEFAULT_IMAGE_WIDTH;
-      image_height = GIMP_DEFAULT_IMAGE_HEIGHT / 3;
+      image_height = GIMP_DEFAULT_IMAGE_HEIGHT / 4;
     }
 
   shell->dot_for_dot = config->default_dot_for_dot;