diff --git a/internal/service/timestreaminfluxdb/db_instance_test.go b/internal/service/timestreaminfluxdb/db_instance_test.go
index 280d27c6094..bf9a6ac4ae3 100644
--- a/internal/service/timestreaminfluxdb/db_instance_test.go
+++ b/internal/service/timestreaminfluxdb/db_instance_test.go
@@ -53,7 +53,7 @@ func TestAccTimestreamInfluxDBDBInstance_basic(t *testing.T) {
 					resource.TestCheckResourceAttr(resourceName, "deployment_type", string(awstypes.DeploymentTypeSingleAz)),
 					resource.TestCheckResourceAttrSet(resourceName, "influx_auth_parameters_secret_arn"),
 					resource.TestCheckResourceAttr(resourceName, "network_type", string(awstypes.NetworkTypeIpv4)),
-					resource.TestCheckResourceAttr(resourceName, "port", "8086"),
+					resource.TestCheckResourceAttr(resourceName, names.AttrPort, "8086"),
 					resource.TestCheckResourceAttr(resourceName, names.AttrPubliclyAccessible, acctest.CtFalse),
 				),
 			},