diff --git a/modules/runners/pool.tf b/modules/runners/pool.tf
index 16df2d15d1..ae82f3f127 100644
--- a/modules/runners/pool.tf
+++ b/modules/runners/pool.tf
@@ -51,7 +51,7 @@ module "pool" {
       group_name                           = var.runner_group_name
       name_prefix                          = var.runner_name_prefix
       pool_owner                           = var.pool_runner_owner
-      role                                 = var.iam_overrides["override_runner_role"] ? { arn = var.iam_overrides["runner_role_arn"] } : aws_iam_role.runner[0]
+      role                                 = { arn = var.iam_overrides["override_runner_role"] ? var.iam_overrides["runner_role_arn"] : aws_iam_role.runner[0].arn }
       use_dedicated_host                   = var.use_dedicated_host
     }
     subnet_ids                           = var.subnet_ids