diff --git a/src/utils/mouse-events-handler.js b/src/utils/mouse-events-handler.js
index 1fde2e20311d40cb73ffd7326f1c094f548a29f2..96ee64aa6b5d61066d89b743ee49ac80266197ca 100644
--- a/src/utils/mouse-events-handler.js
+++ b/src/utils/mouse-events-handler.js
@@ -107,6 +107,8 @@ export default class MouseEventsHandler {
       this.superHand.el.emit("horizontal_scroll_release");
       this.lastHorizontalScrollTime = Date.now();
     }
+
+    if (e.altKey) e.preventDefault(); //prevent forward/back on firefox
   }
 
   getScrollMod(delta, deltaMode) {