diff --git a/src/lime/_internal/backend/html5/HTML5Window.hx b/src/lime/_internal/backend/html5/HTML5Window.hx
index 6a47f52b7..6d0869eec 100644
--- a/src/lime/_internal/backend/html5/HTML5Window.hx
+++ b/src/lime/_internal/backend/html5/HTML5Window.hx
@@ -328,7 +328,7 @@ class HTML5Window
 						depth: Reflect.hasField(contextAttributes, "depth") ? contextAttributes.depth : true,
 						premultipliedAlpha: true,
 						stencil: Reflect.hasField(contextAttributes, "stencil") ? contextAttributes.stencil : false,
-						preserveDrawingBuffer: false,
+						preserveDrawingBuffer: Reflect.hasField(contextAttributes, "preserveDrawingBuffer") ? contextAttributes.preserveDrawingBuffer : false,
 						failIfMajorPerformanceCaveat: false
 					};