diff --git a/tests/multi.html b/tests/multi.html
index 14fc82c..0104463 100755
--- a/tests/multi.html
+++ b/tests/multi.html
@@ -35,10 +35,10 @@
 		import * as prog3 from '/src/programs/basics/time_frames.js'
 
 		const pre = document.querySelectorAll('pre')
-		run(prog0, pre[0]).catch(errorHandler)
-		run(prog1, pre[1]).catch(errorHandler)
-		run(prog2, pre[2]).catch(errorHandler)
-		run(prog3, pre[3]).catch(errorHandler)
+		run(prog0, { element : pre[0] } ).catch(errorHandler)
+		run(prog1, { element : pre[1] } ).catch(errorHandler)
+		run(prog2, { element : pre[2] } ).catch(errorHandler)
+		run(prog3, { element : pre[3] } ).catch(errorHandler)
 
 		function errorHandler(e) {
 			console.warn(e.message)
diff --git a/tests/single.html b/tests/single.html
index 5a93038..b1e9cfc 100755
--- a/tests/single.html
+++ b/tests/single.html
@@ -29,7 +29,9 @@
 	<script type="module">
 		import { run } from '/src/run.js'
 		import * as program from '/src/programs/basics/time_milliseconds.js'
-		run(program, document.querySelector('pre')).catch(function(e) {
+		run(program, { element : document.querySelector('pre') }).then(function(e){
+			console.log(e)
+		}).catch(function(e) {
 			console.warn(e.message)
 			console.log(e.error)
 		})