diff --git a/packages/svelte/src/motion/spring.js b/packages/svelte/src/motion/spring.js
index 7a74c28a8537..956a8a677f5f 100644
--- a/packages/svelte/src/motion/spring.js
+++ b/packages/svelte/src/motion/spring.js
@@ -113,6 +113,7 @@ export function spring(value, opts = {}) {
 					inv_mass,
 					opts: spring,
 					settled: true,
+          //@ts-ignore
 					dt: ((now - last_time) * 60) / 1000
 				};
 				// @ts-ignore