diff --git a/boards/arm/eyelash_corne/eyelash_corne.dtsi b/boards/arm/eyelash_corne/eyelash_corne.dtsi
index a29f718..95f0457 100644
--- a/boards/arm/eyelash_corne/eyelash_corne.dtsi
+++ b/boards/arm/eyelash_corne/eyelash_corne.dtsi
@@ -41,7 +41,7 @@
         compatible = "alps,ec11";
         a-gpios = <&gpio1 10 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
         b-gpios = <&gpio1 14 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
-        steps = <24>;
+        steps = <15>;
         status = "disabled";
     };