diff --git a/src/synclean/models/config.py b/src/synclean/models/config.py
index eb5ea29..258e02b 100644
--- a/src/synclean/models/config.py
+++ b/src/synclean/models/config.py
@@ -14,9 +14,6 @@ class SynapseConfig:
         """Validate Synapse config after initialization."""
         if not self.homeserver.strip():
             raise ValueError("Homeserver URL cannot be empty")
-        parsed = urlparse(self.homeserver)
-        if not all([parsed.scheme, parsed.netloc]):
-            raise ValueError(f"Invalid homeserver URL: {self.homeserver}")
 
         if not self.access_token.strip():
             raise ValueError("Access token cannot be empty")
@@ -28,9 +25,12 @@ class SynapseConfig:
                 raise ValueError("Blacklist contains invalid username")
 
     @property
-    def base_url(self) -> str:
+    def admin_api_url(self) -> str:
         """Get normalized base URL with trailing slash."""
-        return self.homeserver.rstrip('/') + '/_synapse/admin'
+        parsed = urlparse(self.homeserver)
+        if not parsed.scheme:
+            return f"https://{self.homeserver}/_synapse/admin"
+        return self.homeserver.rstrip('/') + "/_synapse/admin"
 
     @property
     def headers(self) -> Dict[str, str]: