diff --git a/esphome/__main__.py b/esphome/__main__.py
index 2f06a71b5f..6f57791480 100644
--- a/esphome/__main__.py
+++ b/esphome/__main__.py
@@ -145,6 +145,8 @@ def wrap_to_code(name, comp):
         if comp.config_schema is not None:
             conf_str = yaml_util.dump(conf)
             conf_str = conf_str.replace("//", "")
+            # remove tailing \ to avoid multi-line comment warning
+            conf_str = conf_str.replace("\\\n", "\n")
             cg.add(cg.LineComment(indent(conf_str)))
         await coro(conf)