diff --git a/packages/svelte/src/internal/client/reactivity/effects.js b/packages/svelte/src/internal/client/reactivity/effects.js
index 0ee2352a2d..1ad505acaf 100644
--- a/packages/svelte/src/internal/client/reactivity/effects.js
+++ b/packages/svelte/src/internal/client/reactivity/effects.js
@@ -99,6 +99,10 @@ function create_effect(type, fn, sync, push = true) {
 		}
 	}
 
+	if (parent_effect !== null && (parent_effect.f & INERT) !== 0) {
+		type |= INERT;
+	}
+
 	/** @type {Effect} */
 	var effect = {
 		ctx: component_context,