diff --git a/lime/app/Application.hx b/lime/app/Application.hx
index f4f3bef82..0e73fc108 100644
--- a/lime/app/Application.hx
+++ b/lime/app/Application.hx
@@ -83,8 +83,16 @@ class Application extends Module {
 	private static function __init__ () {
 		
 		var init = ApplicationBackend;
-		#if (js && html5)
-		untyped Object.defineProperty (Application.prototype, "window", { get: Application.prototype.get_window });
+		#if (js && html5 && es5get)
+		var p = untyped Application.prototype;
+		untyped Object.defineProperties (p, {
+			"frameRate": { get: p.get_frameRate, set: p.set_frameRate },
+			"preloader": { get: p.get_preloader },
+			"renderer": { get: p.get_renderer },
+			"renderers": { get: p.get_renderers },
+			"window": { get: p.get_window },
+			"windows": { get: p.get_windows }
+		});
 		#end
 		
 	}
diff --git a/lime/app/Promise.hx b/lime/app/Promise.hx
index 6bcc6b376..188fabfc2 100644
--- a/lime/app/Promise.hx
+++ b/lime/app/Promise.hx
@@ -18,6 +18,19 @@ class Promise<T> {
 	public var isError (get, null):Bool;
 	
 	
+	#if (js && html5 && es5get)
+	private static function __init__ () {
+		
+		var p = untyped Promise.prototype;
+		untyped Object.defineProperties (p, {
+			"isComplete": { get: p.get_isComplete },
+			"isError": { get: p.get_isError }
+		});
+		
+	}
+	#end
+	
+	
 	public function new () {
 		
 		future = new Future<T> ();
diff --git a/lime/graphics/Image.hx b/lime/graphics/Image.hx
index b60938a26..18c44c626 100644
--- a/lime/graphics/Image.hx
+++ b/lime/graphics/Image.hx
@@ -110,6 +110,24 @@ class Image {
 	public var y:Float;
 	
 	
+	#if (js && html5 && es5get)
+	private static function __init__ () {
+		
+		var p = untyped Image.prototype;
+		untyped Object.defineProperties (p, {
+			"data": { get: p.get_data, set: p.set_data },
+			"format": { get: p.get_format, set: p.set_format },
+			"powerOfTwo": { get: p.get_powerOfTwo, set: p.set_powerOfTwo },
+			"premultiplied": { get: p.get_premultiplied, set: p.set_premultiplied },
+			"rect": { get: p.get_rect },
+			"src": { get: p.get_src, set: p.set_src },
+			"transparent": { get: p.get_transparent, set: p.set_transparent }
+		});
+		
+	}
+	#end
+	
+	
 	public function new (buffer:ImageBuffer = null, offsetX:Int = 0, offsetY:Int = 0, width:Int = -1, height:Int = -1, color:Null<Int> = null, type:ImageType = null) {
 		
 		this.offsetX = offsetX;
diff --git a/lime/graphics/ImageBuffer.hx b/lime/graphics/ImageBuffer.hx
index c832c2130..75b9f8801 100644
--- a/lime/graphics/ImageBuffer.hx
+++ b/lime/graphics/ImageBuffer.hx
@@ -46,6 +46,19 @@ class ImageBuffer {
 	@:noCompletion private var __srcImageData:#if (js && html5) ImageData #else Dynamic #end;
 	
 	
+	#if (js && html5 && es5get)
+	private static function __init__ () {
+		
+		var p = untyped ImageBuffer.prototype;
+		untyped Object.defineProperties (p, {
+			"src": { get: p.get_src, set: p.set_src },
+			"stride": { get: p.get_stride }
+		});
+		
+	}
+	#end
+	
+	
 	public function new (data:UInt8Array = null, width:Int = 0, height:Int = 0, bitsPerPixel:Int = 32, format:PixelFormat = null) {
 		
 		this.data = data;
diff --git a/lime/graphics/opengl/GL.hx b/lime/graphics/opengl/GL.hx
index 0da2b3c0c..6ece7450a 100644
--- a/lime/graphics/opengl/GL.hx
+++ b/lime/graphics/opengl/GL.hx
@@ -661,6 +661,18 @@ class GL {
 	private static var __currentProgram:GLProgram;
 	
 	
+	#if (js && html5 && es5get)
+	private static function __init__ () {
+		
+		untyped Object.defineProperties (GL, {
+			"type": { get: GL.get_type },
+			"version": { get: GL.get_version }
+		});
+		
+	}
+	#end
+	
+	
 	public static inline function activeTexture (texture:Int):Void {
 		
 		context.activeTexture (texture);
diff --git a/lime/media/AudioBuffer.hx b/lime/media/AudioBuffer.hx
index 7b5c779bf..ab3a80533 100644
--- a/lime/media/AudioBuffer.hx
+++ b/lime/media/AudioBuffer.hx
@@ -54,6 +54,18 @@ class AudioBuffer {
 	@:noCompletion private var __srcVorbisFile:#if lime_vorbis VorbisFile #else Dynamic #end;
 	
 	
+	#if (js && html5 && es5get)
+	private static function __init__ () {
+		
+		var p = untyped AudioBuffer.prototype;
+		untyped Object.defineProperties (p, {
+			"src": { get: p.get_src, set: p.set_src }
+		});
+		
+	}
+	#end
+	
+	
 	public function new () {
 		
 		
diff --git a/lime/ui/Window.hx b/lime/ui/Window.hx
index a20a708f2..488ae222d 100644
--- a/lime/ui/Window.hx
+++ b/lime/ui/Window.hx
@@ -83,6 +83,30 @@ class Window {
 	@:noCompletion private var __y:Int;
 	
 	
+	#if (js && html5 && es5get)
+	private static function __init__ () {
+		
+		var p = untyped Window.prototype;
+		untyped Object.defineProperties (p, {
+			"borderless": { get: p.get_borderless, set: p.set_borderless },
+			"display": { get: p.get_display },
+			"displayMode": { get: p.get_displayMode, set: p.set_displayMode },
+			"enableTextEvents": { get: p.get_enableTextEvents, set: p.set_enableTextEvents },
+			"fullscreen": { get: p.get_fullscreen, set: p.set_fullscreen },
+			"height": { get: p.get_height, set: p.set_height },
+			"maximized": { get: p.get_maximized, set: p.set_maximized },
+			"resizable": { get: p.get_resizable, set: p.set_resizable },
+			"scale": { get: p.get_scale },
+			"title": { get: p.get_title, set: p.set_title },
+			"width": { get: p.get_width, set: p.set_width },
+			"x": { get: p.get_x, set: p.set_y },
+			"y": { get: p.get_x, set: p.set_y }
+		});
+		
+	}
+	#end
+	
+	
 	public function new (config:WindowConfig = null) {
 		
 		this.config = config;