diff --git a/web/lib/src/canvas.ts b/web/lib/src/canvas.ts
index ccd135540..c4ef7ec6c 100644
--- a/web/lib/src/canvas.ts
+++ b/web/lib/src/canvas.ts
@@ -2,5 +2,6 @@ export const preventDefaultTouchActions = () => {
     document.body.querySelectorAll("canvas").forEach(canvas => {
         canvas.addEventListener("touchstart", e => e.preventDefault())
         canvas.addEventListener("touchmove", e => e.preventDefault())
+        canvas.addEventListener("contextmenu", e => e.preventDefault())
     })
 }