diff --git a/esphome/config.py b/esphome/config.py
index e9433d537e..4aca0d6056 100644
--- a/esphome/config.py
+++ b/esphome/config.py
@@ -315,7 +315,11 @@ class LoadValidationStep(ConfigValidationStep):
             return
         result.add_output_path([self.domain], self.domain)
         component = get_component(self.domain)
-        if component.multi_conf_no_default and isinstance(self.conf, core.AutoLoad):
+        if (
+            component is not None
+            and component.multi_conf_no_default
+            and isinstance(self.conf, core.AutoLoad)
+        ):
             self.conf = []
         result[self.domain] = self.conf
         path = [self.domain]