diff --git a/gfx/layers/ipc/CompositorParent.cpp b/gfx/layers/ipc/CompositorParent.cpp
index fa969feaf5d..76894a2ca44 100644
--- a/gfx/layers/ipc/CompositorParent.cpp
+++ b/gfx/layers/ipc/CompositorParent.cpp
@@ -685,6 +685,8 @@ CompositorParent::CompositeToTarget(DrawTarget* aTarget, const nsIntRect* aRect)
     }
   }
 
+  mCompositionManager->ComputeRotation();
+
   TimeStamp time = mIsTesting ? mTestTime : mLastCompose;
   bool requestNextFrame = mCompositionManager->TransformShadowTree(time);
   if (requestNextFrame) {
@@ -693,8 +695,6 @@ CompositorParent::CompositeToTarget(DrawTarget* aTarget, const nsIntRect* aRect)
 
   RenderTraceLayers(mLayerManager->GetRoot(), "0000");
 
-  mCompositionManager->ComputeRotation();
-
 #ifdef MOZ_DUMP_PAINTING
   static bool gDumpCompositorTree = false;
   if (gDumpCompositorTree) {