diff --git a/esphome/components/climate/__init__.py b/esphome/components/climate/__init__.py
index 5a4492216e..88991ff795 100644
--- a/esphome/components/climate/__init__.py
+++ b/esphome/components/climate/__init__.py
@@ -36,7 +36,7 @@ ClimateTraits = climate_ns.class_("ClimateTraits")
 ClimateMode = climate_ns.enum("ClimateMode")
 CLIMATE_MODES = {
     "OFF": ClimateMode.CLIMATE_MODE_OFF,
-    "HEAT_COOL": ClimateMode.CLIMATE_HEAT_COOL,
+    "HEAT_COOL": ClimateMode.CLIMATE_MODE_HEAT_COOL,
     "COOL": ClimateMode.CLIMATE_MODE_COOL,
     "HEAT": ClimateMode.CLIMATE_MODE_HEAT,
     "DRY": ClimateMode.CLIMATE_MODE_DRY,