diff --git a/orchestrator/config.py b/orchestrator/config.py
index 1bfdb14..0aa6bfd 100644
--- a/orchestrator/config.py
+++ b/orchestrator/config.py
@@ -226,7 +226,8 @@ class Config:
     def _parse_servers(self) -> dict[str, ServerConfig]:
         """Parsea la sección servers."""
         servers = {}
-        for name, data in self._raw.get("servers", {}).items():
+        raw_servers = self._raw.get("servers") or {}
+        for name, data in raw_servers.items():
             if data:
                 servers[name] = ServerConfig(
                     name=name,
@@ -240,7 +241,8 @@ class Config:
     def _parse_agents(self) -> dict[str, AgentConfig]:
         """Parsea la sección agents."""
         agents = {}
-        for name, data in self._raw.get("agents", {}).items():
+        raw_agents = self._raw.get("agents") or {}
+        for name, data in raw_agents.items():
             if data:
                 agents[name] = AgentConfig(
                     name=name,