diff --git a/packages/aws-cdk-lib/aws-stepfunctions/lib/states/distributed-map.ts b/packages/aws-cdk-lib/aws-stepfunctions/lib/states/distributed-map.ts
index 89453f316aebe..c644809c11ab7 100644
--- a/packages/aws-cdk-lib/aws-stepfunctions/lib/states/distributed-map.ts
+++ b/packages/aws-cdk-lib/aws-stepfunctions/lib/states/distributed-map.ts
@@ -172,7 +172,7 @@ export class DistributedMap extends MapBase implements INextable {
         errors.push('label must be 40 characters or less');
       }
 
-      let labelRegex = new RegExp('[\s\?\*\<\>\{\}\\[\\]\:\;\,\\\|\^\~\$\#\%\&\`\"]|[\u0000-\u001f]|[\u007f-\u009f]', 'gi');
+      let labelRegex = /[\s\?\*\<\>\{\}\\[\]\:\;\,\|\^\~\$\#\%\&\`\"]|[\u0000-\u001f]|[\u007f-\u009f]/gi
       if (labelRegex.test(this.label)) {
         errors.push('label cannot contain any whitespace or special characters');
       }