diff --git a/tests/components/dlink/test_config_flow.py b/tests/components/dlink/test_config_flow.py
index 0449f68263c..6998299c76f 100644
--- a/tests/components/dlink/test_config_flow.py
+++ b/tests/components/dlink/test_config_flow.py
@@ -162,7 +162,7 @@ async def test_dhcp_unique_id_assignment(
     """Test dhcp initialized flow with no unique id for matching entry."""
     dhcp_data = DhcpServiceInfo(
         ip="2.3.4.5",
-        macaddress="11:22:33:44:55:66",
+        macaddress="112233445566",
         hostname="dsp-w215",
     )
     result = await hass.config_entries.flow.async_init(
@@ -177,7 +177,7 @@ async def test_dhcp_unique_id_assignment(
         )
     assert result["type"] is FlowResultType.CREATE_ENTRY
     assert result["data"] == CONF_DATA | {CONF_HOST: "2.3.4.5"}
-    assert result["result"].unique_id == "11:22:33:44:55:66"
+    assert result["result"].unique_id == "112233445566"
 
 
 async def test_dhcp_changed_ip(