diff --git a/internal/service/iam/role_policy_attachments_exclusive_test.go b/internal/service/iam/role_policy_attachments_exclusive_test.go
index a4e2b67b223..f7da99bc391 100644
--- a/internal/service/iam/role_policy_attachments_exclusive_test.go
+++ b/internal/service/iam/role_policy_attachments_exclusive_test.go
@@ -273,7 +273,7 @@ func TestAccIAMRolePolicyAttachmentsExclusive_outOfBandAddition(t *testing.T) {
 				ExpectNonEmptyPlan: true,
 			},
 			{
-				Config: testAccRolePolicyAttachmentsExclusiveConfig_basic(rName),
+				Config: testAccRolePolicyAttachmentsExclusiveConfig_outOfBandAddition(rName, oobPolicyName),
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckRoleExists(ctx, roleResourceName, &role),
 					testAccCheckRolePolicyAttachmentsExclusiveExists(ctx, resourceName),