diff --git a/esphome/components/network/__init__.py b/esphome/components/network/__init__.py
index 44d9b8ff17..572ee7f961 100644
--- a/esphome/components/network/__init__.py
+++ b/esphome/components/network/__init__.py
@@ -235,6 +235,6 @@ async def to_code(config):
 
 
 @coroutine_with_priority(CoroPriority.NETWORK_SERVICES)
-async def network_component_to_code(config):
+async def network_component_to_code(config: ConfigType) -> None:
     var = cg.new_Pvariable(config[CONF_ID])
     await cg.register_component(var, config)