diff --git a/src/lime/_internal/backend/html5/HTML5Window.hx b/src/lime/_internal/backend/html5/HTML5Window.hx
index bddd08e91..faa3b9a56 100644
--- a/src/lime/_internal/backend/html5/HTML5Window.hx
+++ b/src/lime/_internal/backend/html5/HTML5Window.hx
@@ -308,7 +308,7 @@ class HTML5Window {
 				var options = {
 
 					alpha: (transparentBackground || colorDepth > 16) ? true : false,
-					antialias: Reflect.hasField (contextAttributes, "antialiasing") ? false : false,
+					antialias: Reflect.hasField (contextAttributes, "antialiasing") ? true : false,
 					depth: Reflect.hasField (contextAttributes, "depth") ? contextAttributes.depth : true,
 					premultipliedAlpha: true,
 					stencil: Reflect.hasField (contextAttributes, "stencil") ? contextAttributes.stencil : false,