diff --git a/components/layout/layout_task.rs b/components/layout/layout_task.rs
index 60b2a53938a..48df4f9c460 100644
--- a/components/layout/layout_task.rs
+++ b/components/layout/layout_task.rs
@@ -655,9 +655,6 @@ impl LayoutTask {
         if self.opts.trace_layout {
             layout_debug::begin_trace(layout_root.clone());
         }
-        if self.opts.dump_flow_tree {
-            layout_root.dump();
-        }
 
         // Perform the primary layout passes over the flow tree to compute the locations of all
         // the boxes.
@@ -779,6 +776,10 @@ impl LayoutTask {
             layout_debug::end_trace();
         }
 
+        if self.opts.dump_flow_tree {
+            layout_root.dump();
+        }
+
         rw_data.generation += 1;
 
         // Tell script that we're done.