diff --git a/esphome/components/light/automation.py b/esphome/components/light/automation.py
index 41074c098d..9e14246c0f 100644
--- a/esphome/components/light/automation.py
+++ b/esphome/components/light/automation.py
@@ -155,6 +155,6 @@ def light_addressable_set_to_code(config, action_id, template_arg, args):
                                automation.maybe_simple_id({
                                    cv.Required(CONF_ID): cv.use_id(LightState),
                                }))
-def binary_sensor_is_on_to_code(config, condition_id, template_arg, args):
+def light_is_on_off_to_code(config, condition_id, template_arg, args):
     paren = yield cg.get_variable(config[CONF_ID])
     yield cg.new_Pvariable(condition_id, template_arg, paren)
diff --git a/esphome/config_validation.py b/esphome/config_validation.py
index 50d30c3ea6..4ec3033452 100644
--- a/esphome/config_validation.py
+++ b/esphome/config_validation.py
@@ -1175,7 +1175,6 @@ def validate_registry_entry(name, registry):
         if not isinstance(value, dict):
             raise Invalid(u"{} must consist of key-value mapping! Got {}"
                           u"".format(name.title(), value))
-        value = base_schema(value)
         key = next((x for x in value if x not in ignore_keys), None)
         if key is None:
             raise Invalid(u"Key missing from {}! Got {}".format(name, value))
diff --git a/tests/test1.yaml b/tests/test1.yaml
index b5646762e8..d47773c6b8 100644
--- a/tests/test1.yaml
+++ b/tests/test1.yaml
@@ -105,6 +105,9 @@ mqtt:
         - light.control:
             id: living_room_lights
             brightness: !lambda 'return id(living_room_lights).current_values.get_brightness() + 0.5;'
+        - light.dim_relative:
+            id: living_room_lights
+            relative_brightness: 5%
         - uart.write:
             id: uart0
             data: Hello World