diff --git a/.changeset/gorgeous-hats-wonder.md b/.changeset/gorgeous-hats-wonder.md
new file mode 100644
index 0000000000..e1ce7bdaed
--- /dev/null
+++ b/.changeset/gorgeous-hats-wonder.md
@@ -0,0 +1,5 @@
+---
+"svelte": patch
+---
+
+fix: ensure element size bindings don't unsubscribe multiple times from the resize observer
diff --git a/packages/svelte/src/internal/client/dom/elements/bindings/size.js b/packages/svelte/src/internal/client/dom/elements/bindings/size.js
index e0ad045d80..c817787497 100644
--- a/packages/svelte/src/internal/client/dom/elements/bindings/size.js
+++ b/packages/svelte/src/internal/client/dom/elements/bindings/size.js
@@ -1,4 +1,5 @@
 import { effect, teardown } from '../../../reactivity/effects.js';
+import { untrack } from '../../../runtime.js';
 
 /**
  * Resize observer singleton.
@@ -100,7 +101,8 @@ export function bind_element_size(element, type, update) {
 	var unsub = resize_observer_border_box.observe(element, () => update(element[type]));
 
 	effect(() => {
-		update(element[type]);
+		// The update could contain reads which should be ignored
+		untrack(() => update(element[type]));
 		return unsub;
 	});
 }