diff --git a/example/engine_template.html b/example/engine_template.html
index ce83161..727c176 100644
--- a/example/engine_template.html
+++ b/example/engine_template.html
@@ -43,6 +43,10 @@
 		vertical-align: bottom;
 	}
 
+	#canvas-container {
+		position: relative;
+	}
+
 	canvas:focus, canvas:active {
 		outline: none;
 		border: 0;
@@ -66,7 +70,9 @@
 
 <body>
 	<div id="app-container" class="canvas-app-container">
-		<canvas id="canvas" class="canvas-app-canvas" tabindex="1" width="{{display.width}}" height="{{display.height}}"></canvas>
+		<div id="canvas-container" class="canvas-app-canvas-container">
+			<canvas id="canvas" class="canvas-app-canvas" tabindex="1" width="{{display.width}}" height="{{display.height}}"></canvas>
+		</div>
 		<div class="buttons-background">
 {{#html5.show_fullscreen_button}}
 			<div class="button" onclick="Module.toggleFullscreen();">Fullscreen</div>
@@ -86,6 +92,7 @@
 		},
 		engine_arguments: [{{#DEFOLD_ENGINE_ARGUMENTS}}"{{.}}",{{/DEFOLD_ENGINE_ARGUMENTS}}],
 		custom_heap_size: {{DEFOLD_HEAP_SIZE}},
+		full_screen_container: "#canvas-container",
 		disable_context_menu: true
 	}
 
@@ -184,20 +191,10 @@
 	resize_game_canvas();
 	window.addEventListener('resize', resize_game_canvas, false);
 	window.addEventListener('orientationchange', resize_game_canvas, false);
-
-	function load_engine() {
-		var engineJS = document.createElement('script');
-		engineJS.type = 'text/javascript';
-		if (Module['isWASMSupported']) {
-			engineJS.src = '{{exe-name}}_wasm.js';
-		} else {
-			engineJS.src = '{{exe-name}}_asmjs.js';
-		}
-		document.head.appendChild(engineJS);
-	}
 	</script>
+
 	<script id='engine-start' type='text/javascript'>
-		load_engine();
+		EngineLoader.load("canvas", "{{exe-name}}");
 	</script>
 	<!-- JsToDef example -->
 	<script type='text/javascript'>
diff --git a/example/example.script b/example/example.script
index 9489ca2..410c392 100644
--- a/example/example.script
+++ b/example/example.script
@@ -12,4 +12,4 @@ function final(self)
 	if jstodef then
 		jstodef.remove_listener(example_1_listener)
 	end
-end
\ No newline at end of file
+end
diff --git a/game.project b/game.project
index 1bea6c4..5d2ef30 100644
--- a/game.project
+++ b/game.project
@@ -13,6 +13,8 @@ title = jstodef
 
 [html5]
 htmlfile = /example/engine_template.html
+heap_size = 32
 
 [library]
 include_dirs = jstodef
+
diff --git a/jstodef/lib/web/lib_jstodef.js b/jstodef/lib/web/lib_jstodef.js
index 75bf7a0..e9a6118 100644
--- a/jstodef/lib/web/lib_jstodef.js
+++ b/jstodef/lib/web/lib_jstodef.js
@@ -17,25 +17,25 @@ var LibJsToDef = {
                     var msg_id = allocate(intArrayFromString(message_id), "i8", ALLOC_NORMAL);
                     switch (typeof message) {
                         case 'undefined':
-                            dynCall("vi", JsToDef._callback_empty, [msg_id]);
+                            {{{ makeDynCall("vi", "JsToDef._callback_empty")}}}(msg_id);
                             break;
                         case 'number':
-                            dynCall("vif", JsToDef._callback_number, [msg_id, message]);
+                            {{{ makeDynCall("vif", "JsToDef._callback_number")}}}(msg_id, message);
                             break;
                         case 'string':
                             var msg = allocate(intArrayFromString(message), "i8", ALLOC_NORMAL);
-                            dynCall("vii", JsToDef._callback_string, [msg_id, msg]);
+                            {{{ makeDynCall("vii", "JsToDef._callback_string")}}}(msg_id, msg);
                             Module._free(msg);
                             break;
                         case 'object':
                             var msg = JSON.stringify(message);
                             msg = allocate(intArrayFromString(msg), "i8", ALLOC_NORMAL);
-                            dynCall("vii", JsToDef._callback_object, [msg_id, msg]);
+                            {{{ makeDynCall("vii"," JsToDef._callback_object")}}}(msg_id, msg);
                             Module._free(msg);
                             break;
                         case 'boolean':
                             var msg = message ? 1 : 0; 
-                            dynCall("vii", JsToDef._callback_bool, [msg_id, msg]);
+                            {{{ makeDynCall("vii", "JsToDef._callback_bool")}}}(msg_id, msg);
                             break;
                         default:
                             console.warn("Unsupported message format: " + (typeof message));
