diff --git a/homeassistant/components/mqtt/fan.py b/homeassistant/components/mqtt/fan.py
index 135503f2333..07cb711ebd0 100644
--- a/homeassistant/components/mqtt/fan.py
+++ b/homeassistant/components/mqtt/fan.py
@@ -232,10 +232,11 @@ class MqttFan(
 
         self._supported_features = 0
         self._supported_features |= (
-            self._topic[CONF_OSCILLATION_STATE_TOPIC] is not None and SUPPORT_OSCILLATE
+            self._topic[CONF_OSCILLATION_COMMAND_TOPIC] is not None
+            and SUPPORT_OSCILLATE
         )
         self._supported_features |= (
-            self._topic[CONF_SPEED_STATE_TOPIC] is not None and SUPPORT_SET_SPEED
+            self._topic[CONF_SPEED_COMMAND_TOPIC] is not None and SUPPORT_SET_SPEED
         )
 
     async def _subscribe_topics(self):