diff --git a/esphome/components/climate/__init__.py b/esphome/components/climate/__init__.py
index b0f9146012..87b9a4b3e2 100644
--- a/esphome/components/climate/__init__.py
+++ b/esphome/components/climate/__init__.py
@@ -213,7 +213,7 @@ async def setup_climate_core_(var, config):
         if CONF_MODE_COMMAND_TOPIC in config:
             cg.add(mqtt_.set_custom_mode_command_topic(config[CONF_MODE_COMMAND_TOPIC]))
         if CONF_MODE_STATE_TOPIC in config:
-            cg.add(mqtt_.set_custom_state_topic(config[CONF_MODE_STATE_TOPIC]))
+            cg.add(mqtt_.set_custom_mode_state_topic(config[CONF_MODE_STATE_TOPIC]))
 
         if CONF_SWING_MODE_COMMAND_TOPIC in config:
             cg.add(