diff --git a/bundles/org.openhab.binding.mqtt.homeassistant/src/main/resources/OH-INF/i18n/mqtt.properties b/bundles/org.openhab.binding.mqtt.homeassistant/src/main/resources/OH-INF/i18n/mqtt.properties
index 64f4886346..b7d92813d0 100644
--- a/bundles/org.openhab.binding.mqtt.homeassistant/src/main/resources/OH-INF/i18n/mqtt.properties
+++ b/bundles/org.openhab.binding.mqtt.homeassistant/src/main/resources/OH-INF/i18n/mqtt.properties
@@ -99,7 +99,7 @@ state.climate.mode.off = Off
 state.climate.mode.cool = Cool
 state.climate.mode.heat = Heat
 state.climate.mode.dry = Dry
-state.climate.mode.fan_only = Fan Only
+state.climate.mode.fan-only = Fan Only
 state.climate.swing-mode.on = On
 state.climate.swing-mode.off = Off
 state.cover.closed = Closed