diff --git a/apps/conversion/conversionfunctions.js b/apps/conversion/conversionfunctions.js
index 57db88c93..62ff0dfb1 100755
--- a/apps/conversion/conversionfunctions.js
+++ b/apps/conversion/conversionfunctions.js
@@ -1032,7 +1032,6 @@ function convertCharStr2Rust ( str, parameters ) {
 						}
 					else { 
 						pad = cc.toString(16).toUpperCase();
-						while (pad.length < 4) { pad = '0'+pad; }
 						outputString += '\\u{'+pad+'}'
 						}
 				}