diff --git a/src/components/main/layout/layout_task.rs b/src/components/main/layout/layout_task.rs
index 68ba371d110..ac1cacdc9b4 100644
--- a/src/components/main/layout/layout_task.rs
+++ b/src/components/main/layout/layout_task.rs
@@ -228,7 +228,7 @@ impl LayoutTask {
         };
 
         debug!("layout: constructed Flow tree");
-        debug!("", layout_root.dump());
+        debug!("%?", layout_root.dump());
 
         // Perform the primary layout passes over the flow tree to compute the locations of all
         // the boxes.
@@ -272,8 +272,6 @@ impl LayoutTask {
             } // time(layout: display list building)
         }
 
-        debug!("%?", layout_root.dump());
-
         // Tell script that we're done.
         //
         // FIXME(pcwalton): This should probably be *one* channel, but we can't fix this without