diff --git a/packages/svelte/src/internal/client/custom-renderer/index.js b/packages/svelte/src/internal/client/custom-renderer/index.js
index 8e5ee011d8..8fc51d1f77 100644
--- a/packages/svelte/src/internal/client/custom-renderer/index.js
+++ b/packages/svelte/src/internal/client/custom-renderer/index.js
@@ -25,7 +25,8 @@ export function createRenderer(renderer) {
 		 * @param {{} extends Props ? { target: TFragment | TElement | TTextNode | TComment, props?: Props, context?: Map<any, any> } : { target: TFragment | TElement | TTextNode | TComment, props: Props, context?: Map<any, any> }} options
 		 */
 		render(Component, { target, props, context }) {
-			var cleanup = push_renderer(compound_renderer);
+			var pop_renderer = push_renderer(compound_renderer);
+
 			try {
 				/** @type {Exports} */
 				// @ts-expect-error will be defined because the render effect runs synchronously
@@ -51,7 +52,7 @@ export function createRenderer(renderer) {
 				});
 				return { component, unmount };
 			} finally {
-				cleanup();
+				pop_renderer();
 			}
 		}
 	};
diff --git a/packages/svelte/src/internal/client/custom-renderer/state.js b/packages/svelte/src/internal/client/custom-renderer/state.js
index 202885ab79..7b46e21b2e 100644
--- a/packages/svelte/src/internal/client/custom-renderer/state.js
+++ b/packages/svelte/src/internal/client/custom-renderer/state.js
@@ -1,6 +1,4 @@
-/**
- * @import { Renderer } from "./types.js";
- */
+/** @import { Renderer } from './types.js'; */
 
 /**
  * @type {Renderer<any, any, any, any> | null}
@@ -19,10 +17,11 @@ export function set_renderer(value) {
  * @param {Renderer<any, any, any, any> | null} value
  */
 export function push_renderer(value) {
-	let old_renderer = current_renderer;
+	var previous_renderer = current_renderer;
 	current_renderer = value;
+
 	return () => {
-		current_renderer = old_renderer;
+		current_renderer = previous_renderer;
 	};
 }
 
@@ -32,9 +31,13 @@ export function push_renderer(value) {
  * @returns {T}
  */
 export function without_renderer(fn) {
-	if (current_renderer === null) return fn();
-	let previous_renderer = current_renderer;
+	if (current_renderer === null) {
+		return fn();
+	}
+
+	var previous_renderer = current_renderer;
 	current_renderer = null;
+
 	try {
 		return fn();
 	} finally {