diff --git a/extensions-builtin/canvas-zoom-and-pan/javascript/zoom.js b/extensions-builtin/canvas-zoom-and-pan/javascript/zoom.js index 64e7a638a4c..b0963f4fe2c 100644 --- a/extensions-builtin/canvas-zoom-and-pan/javascript/zoom.js +++ b/extensions-builtin/canvas-zoom-and-pan/javascript/zoom.js @@ -793,7 +793,7 @@ onUiLoaded(async() => { targetElement.addEventListener("wheel", e => { // change zoom level - const operation = e.deltaY > 0 ? "-" : "+"; + const operation = (e.deltaY || -e.wheelDelta) > 0 ? "-" : "+"; changeZoomLevel(operation, e); // Handle brush size adjustment with ctrl key pressed