diff --git a/ChangeLog b/ChangeLog
index e0b96125f..bf2e09b42 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2008-06-11  Neil Roberts  <neil@o-hand.com>
+
+	* clutter/clutter-actor.c (clutter_actor_allocate): Fixed the
+	logic when detecting whether the actor has moved.
+
 2008-06-11  Iain Holmes  <iain@openedhand.com>
 
 	* configure.ac: Detect the GL headers in flavour=fruity
diff --git a/clutter/clutter-actor.c b/clutter/clutter-actor.c
index b2c431658..4bc247270 100644
--- a/clutter/clutter-actor.c
+++ b/clutter/clutter-actor.c
@@ -3442,8 +3442,8 @@ clutter_actor_allocate (ClutterActor          *self,
   priv = self->priv;
   klass = CLUTTER_ACTOR_GET_CLASS (self);
 
-  child_moved = (box->x1 == priv->allocation.x1 ||
-                 box->y1 == priv->allocation.y1);
+  child_moved = (box->x1 != priv->allocation.x1 ||
+                 box->y1 != priv->allocation.y1);
 
   /* If we get an allocation "out of the blue"
    * (we did not queue relayout), then we want to