diff --git a/src/ol/control/Zoom.js b/src/ol/control/Zoom.js
index f386f3b9b6..268c293c14 100644
--- a/src/ol/control/Zoom.js
+++ b/src/ol/control/Zoom.js
@@ -52,7 +52,7 @@ class Zoom extends Control {
       options.zoomInClassName !== undefined
         ? options.zoomInClassName
         : className + '-in';
-        
+
     const zoomOutClassName =
       options.zoomOutClassName !== undefined
         ? options.zoomOutClassName