diff --git a/gir.js b/gir.js
index 31fc1a6..166ca36 100644
--- a/gir.js
+++ b/gir.js
@@ -918,7 +918,7 @@ function compile(program, enableExtensions = true) {
 }
 
 // (string, string, int) → string
-function ircbotRun(program, input, maxCycles = null) {
+function ircbotRun(program, input, maxCycles = 400000) {
 	// TODO; Cache programs
 	let compiled = compile(program);
 	let vm = newVM(compiled, encodeUTF8(input));