diff --git a/test/de/inetsoftware/jwebassembly/SpiderMonkeyTest.js b/test/de/inetsoftware/jwebassembly/SpiderMonkeyTest.js
index 03d43a0..d51e156 100644
--- a/test/de/inetsoftware/jwebassembly/SpiderMonkeyTest.js
+++ b/test/de/inetsoftware/jwebassembly/SpiderMonkeyTest.js
@@ -16,6 +16,6 @@ dependencies["global.Math"] = Math;
 
 
 instantiate( ret, dependencies ).then( 
-  instance => console.log( instance.exports[scriptArgs[0]]( scriptArgs.slice(1) ) ),
+  instance => console.log( instance.exports[scriptArgs[0]]( ...scriptArgs.slice(1) ) ),
   reason => console.log(reason)
 );
diff --git a/test/de/inetsoftware/jwebassembly/nodetest.js b/test/de/inetsoftware/jwebassembly/nodetest.js
index cf6ae93..e892ed1 100644
--- a/test/de/inetsoftware/jwebassembly/nodetest.js
+++ b/test/de/inetsoftware/jwebassembly/nodetest.js
@@ -18,6 +18,6 @@ dependencies["global.Math"] = Math;
 
 
 instantiate( ret, dependencies ).then( 
-  instance => console.log( instance.exports[process.argv[2]]( process.argv.slice(3) ) ),
+  instance => console.log( instance.exports[process.argv[2]]( ...process.argv.slice(3) ) ),
   reason => console.log(reason)
 );