diff --git a/gfx/layers/wr/WebRenderBridgeChild.cpp b/gfx/layers/wr/WebRenderBridgeChild.cpp
index a971d0a3d123..316ad0dab433 100644
--- a/gfx/layers/wr/WebRenderBridgeChild.cpp
+++ b/gfx/layers/wr/WebRenderBridgeChild.cpp
@@ -17,6 +17,8 @@
 namespace mozilla {
 namespace layers {
 
+using namespace mozilla::gfx;
+
 WebRenderBridgeChild::WebRenderBridgeChild(const wr::PipelineId& aPipelineId)
   : mReadLockSequenceNumber(0)
   , mIsInTransaction(false)