diff --git a/homeassistant/components/screenlogic/config_flow.py b/homeassistant/components/screenlogic/config_flow.py
index d9feec629e2..260317dca11 100644
--- a/homeassistant/components/screenlogic/config_flow.py
+++ b/homeassistant/components/screenlogic/config_flow.py
@@ -79,7 +79,7 @@ class ScreenlogicConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
 
     async def async_step_dhcp(self, discovery_info: dhcp.DhcpServiceInfo) -> FlowResult:
         """Handle dhcp discovery."""
-        mac = _extract_mac_from_name(discovery_info.hostname)
+        mac = format_mac(discovery_info.macaddress)
         await self.async_set_unique_id(mac)
         self._abort_if_unique_id_configured(
             updates={CONF_IP_ADDRESS: discovery_info.ip}
diff --git a/homeassistant/components/screenlogic/manifest.json b/homeassistant/components/screenlogic/manifest.json
index 98129e24f01..32ec1872877 100644
--- a/homeassistant/components/screenlogic/manifest.json
+++ b/homeassistant/components/screenlogic/manifest.json
@@ -8,7 +8,7 @@
   "dhcp": [
     {"registered_devices": true},
     {
-      "hostname": "pentair: *",
+      "hostname": "pentair*",
       "macaddress": "00C033*"
     }
   ],
diff --git a/homeassistant/generated/dhcp.py b/homeassistant/generated/dhcp.py
index 4b4c2d7b979..91e6550919d 100644
--- a/homeassistant/generated/dhcp.py
+++ b/homeassistant/generated/dhcp.py
@@ -82,7 +82,7 @@ DHCP: list[dict[str, str | bool]] = [
     {'domain': 'samsungtv', 'macaddress': '4844F7*'},
     {'domain': 'samsungtv', 'macaddress': '8CEA48*'},
     {'domain': 'screenlogic', 'registered_devices': True},
-    {'domain': 'screenlogic', 'hostname': 'pentair: *', 'macaddress': '00C033*'},
+    {'domain': 'screenlogic', 'hostname': 'pentair*', 'macaddress': '00C033*'},
     {'domain': 'sense', 'hostname': 'sense-*', 'macaddress': '009D6B*'},
     {'domain': 'sense', 'hostname': 'sense-*', 'macaddress': 'DCEFCA*'},
     {'domain': 'sense', 'hostname': 'sense-*', 'macaddress': 'A4D578*'},