diff --git a/src/compositor/meta-background-content.c b/src/compositor/meta-background-content.c
index 7990ad47b..b2da6b03f 100644
--- a/src/compositor/meta-background-content.c
+++ b/src/compositor/meta-background-content.c
@@ -532,8 +532,8 @@ meta_background_content_paint_content (ClutterContent      *content,
       clutter_actor_get_transformed_size (actor,
                                           &transformed_width,
                                           &transformed_height);
-      rect_within_stage.width = roundf (transformed_width);
-      rect_within_stage.height = roundf (transformed_height);
+      rect_within_stage.width = ceilf (transformed_width);
+      rect_within_stage.height = ceilf (transformed_height);
 
       untransformed =
         rect_within_actor.x == rect_within_stage.x &&