diff --git a/src/lib/components/PopupMenu/PopupMenu.svelte b/src/lib/components/PopupMenu/PopupMenu.svelte
index 499708bc2..80ced041a 100644
--- a/src/lib/components/PopupMenu/PopupMenu.svelte
+++ b/src/lib/components/PopupMenu/PopupMenu.svelte
@@ -14,7 +14,8 @@
 	}
 
 	export function openByElement(elt: HTMLElement, item: any) {
-		show(elt.offsetLeft + elt.clientWidth, elt.offsetTop + elt.clientHeight, item);
+		const rect = elt.getBoundingClientRect();
+		show(rect.left + rect.width, rect.top + rect.height, item);
 	}
 
 	function show(x: number, y: number, newItem: any) {