diff --git a/gfx/layers/wr/WebRenderCompositableHolder.cpp b/gfx/layers/wr/WebRenderCompositableHolder.cpp
index e27fd93e4d66..442513a47207 100644
--- a/gfx/layers/wr/WebRenderCompositableHolder.cpp
+++ b/gfx/layers/wr/WebRenderCompositableHolder.cpp
@@ -20,6 +20,7 @@ namespace layers {
 WebRenderCompositableHolder::AsyncImagePipelineHolder::AsyncImagePipelineHolder()
  : mInitialised(false)
  , mIsChanged(false)
+ , mUseExternalImage(false)
  , mFilter(WrImageRendering::Auto)
  , mMixBlendMode(WrMixBlendMode::Normal)
 {}
@@ -293,6 +294,7 @@ WebRenderCompositableHolder::UpdateImageKeys(wr::WebRenderAPI* aApi,
   if (texture == aHolder->mCurrentTexture) {
     // Reuse previous ImageKeys.
     aKeys.AppendElements(aHolder->mKeys);
+    aUseExternalImage = aHolder->mUseExternalImage;
     return true;
   }
 
@@ -306,7 +308,7 @@ WebRenderCompositableHolder::UpdateImageKeys(wr::WebRenderAPI* aApi,
     return true;
   }
 
-  aUseExternalImage = GetImageKeyForTextureHost(aApi, texture, aKeys);
+  aUseExternalImage = aHolder->mUseExternalImage = GetImageKeyForTextureHost(aApi, texture, aKeys);
   MOZ_ASSERT(!aKeys.IsEmpty());
   aHolder->mKeys.AppendElements(aKeys);
   aHolder->mCurrentTexture = texture;
diff --git a/gfx/layers/wr/WebRenderCompositableHolder.h b/gfx/layers/wr/WebRenderCompositableHolder.h
index d7b9e12f1f34..7d437bc3993c 100644
--- a/gfx/layers/wr/WebRenderCompositableHolder.h
+++ b/gfx/layers/wr/WebRenderCompositableHolder.h
@@ -122,6 +122,7 @@ private:
 
     bool mInitialised;
     bool mIsChanged;
+    bool mUseExternalImage;
     LayerRect mScBounds;
     gfx::Matrix4x4 mScTransform;
     gfx::MaybeIntSize mScaleToSize;