diff --git a/drivers/fan/driver.ts b/drivers/fan/driver.ts
index f28d9af8..5d9d8637 100644
--- a/drivers/fan/driver.ts
+++ b/drivers/fan/driver.ts
@@ -128,7 +128,7 @@ module.exports = class TuyaOAuth2DriverFan extends TuyaOAuth2DriverWithLight {
         props.capabilitiesOptions['dim'] = {
           min: values.min ?? 1,
           max: values.max ?? 100,
-          step: values.step ?? 0,
+          step: values.step ?? 1,
         };
       }