diff --git a/protocols/ts6.py b/protocols/ts6.py
index 98c5402..d85de69 100644
--- a/protocols/ts6.py
+++ b/protocols/ts6.py
@@ -584,10 +584,7 @@ class TS6Protocol(TS6BaseProtocol):
             return
 
         # <- :services.int SERVER a.bc 2 :(H) [GL] a
-        servername = args[0].lower()
-        sdesc = args[-1]
-        self.servers[servername] = Server(numeric, servername, desc=sdesc)
-        return {'name': servername, 'sid': None, 'text': sdesc}
+        return super().handle_server(numeric, command, args)
 
     def handle_tmode(self, numeric, command, args):
         """Handles incoming TMODE commands (channel mode change)."""
diff --git a/protocols/ts6_common.py b/protocols/ts6_common.py
index 64d69c7..b113301 100644
--- a/protocols/ts6_common.py
+++ b/protocols/ts6_common.py
@@ -227,6 +227,14 @@ class TS6BaseProtocol(IRCS2SProtocol):
 
         return {'target': user, 'ts': 100, 'oldnick': oldnick}
 
+    def handle_server(self, numeric, command, args):
+        """Handles the SERVER command, used for introducing older (TS5) servers."""
+        # <- :services.int SERVER a.bc 2 :(H) [GL] test jupe
+        servername = args[0].lower()
+        sdesc = args[-1]
+        self.servers[servername] = Server(numeric, servername, desc=sdesc)
+        return {'name': servername, 'sid': None, 'text': sdesc}
+
     def handle_sid(self, numeric, command, args):
         """Handles the SID command, used for introducing remote servers by our uplink."""
         # <- SID services.int 2 00A :Shaltúre IRC Services
diff --git a/protocols/unreal.py b/protocols/unreal.py
index 94a56e1..0302175 100644
--- a/protocols/unreal.py
+++ b/protocols/unreal.py
@@ -486,10 +486,7 @@ class UnrealProtocol(TS6BaseProtocol):
         else:
             # Legacy (non-SID) servers can still be introduced using the SERVER command.
             # <- :services.int SERVER a.bc 2 :(H) [GL] a
-            servername = args[0].lower()
-            sdesc = args[-1]
-            self.servers[servername] = Server(numeric, servername, desc=sdesc)
-            return {'name': servername, 'sid': None, 'text': sdesc}
+            return super().handle_server(numeric, command, args)
 
     def handle_protoctl(self, numeric, command, args):
         """Handles protocol negotiation."""