diff --git a/aws_auth.tf b/aws_auth.tf
index db6dea4708..b583c069a9 100644
--- a/aws_auth.tf
+++ b/aws_auth.tf
@@ -46,7 +46,9 @@ locals {
       module.node_groups.aws_auth_roles,
     ) :
     {
-      rolearn  = role["worker_role_arn"]
+      # Work around https://github.com/kubernetes-sigs/aws-iam-authenticator/issues/153
+      # Strip the leading slash off so that Terraform doesn't think it's a regex
+      rolearn  = replace(role["worker_role_arn"], replace(var.iam_path, "/^//", ""), "")
       username = "system:node:{{EC2PrivateDNSName}}"
       groups = tolist(concat(
         [