diff --git a/jdk.js b/jdk.js
index 06927d5..2fb2003 100755
--- a/jdk.js
+++ b/jdk.js
@@ -19415,7 +19415,10 @@
 										? initVars.join('') + (block ? opts.separator : '')
 										: '';
 								let method = `${name}(${parameters}){${preblock}${block}}`;
-								if (typeof QuintOS != 'undefined' && /(alert|prompt|erase|eraseRect|text|textRect|frame)/gm.test(block))
+								if (
+									typeof QuintOS != 'undefined' &&
+									/(alert|prompt|delay|erase|eraseRect|text|textRect|frame)/gm.test(block)
+								)
 									method = 'async ' + method;
 								classProps.push(method);
 							}
diff --git a/package.json b/package.json
index 912a4bd..3edab39 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "java2js",
-	"version": "1.1.4",
+	"version": "1.1.5",
 	"description": "Converts Java to JavaScript with support for p5.js and QuintOS.",
 	"main": "jdk.js",
 	"scripts": {