diff --git a/gfx/layers/client/ContentClient.cpp b/gfx/layers/client/ContentClient.cpp
index 2cca2f8f28d9..330f687ee69f 100644
--- a/gfx/layers/client/ContentClient.cpp
+++ b/gfx/layers/client/ContentClient.cpp
@@ -517,6 +517,9 @@ ContentClientDoubleBuffered::EnsureBackBufferIfFrontBuffer()
 {
   if (!mTextureClient && mFrontClient) {
     CreateBackBuffer(mFrontBufferRect);
+
+    mBufferRect = mFrontBufferRect;
+    mBufferRotation = mFrontBufferRotation;
   }
 }