diff --git a/tests/components/fronius/test_config_flow.py b/tests/components/fronius/test_config_flow.py
index 182cbea04e0..928bca0eb94 100644
--- a/tests/components/fronius/test_config_flow.py
+++ b/tests/components/fronius/test_config_flow.py
@@ -39,7 +39,7 @@ LOGGER_INFO_RETURN_VALUE = {"unique_identifier": {"value": "123.4567"}}
 MOCK_DHCP_DATA = DhcpServiceInfo(
     hostname="fronius",
     ip="10.2.3.4",
-    macaddress="00:03:ac:11:22:33",
+    macaddress="0003ac112233",
 )