diff --git a/.changeset/honest-dragons-turn.md b/.changeset/honest-dragons-turn.md
new file mode 100644
index 000000000000..1908bae7e75e
--- /dev/null
+++ b/.changeset/honest-dragons-turn.md
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+Use generic `T` as the return type for `$derived.call()`
diff --git a/packages/svelte/src/main/ambient.d.ts b/packages/svelte/src/main/ambient.d.ts
index 8c60d57551ef..bbc91c2f5b8e 100644
--- a/packages/svelte/src/main/ambient.d.ts
+++ b/packages/svelte/src/main/ambient.d.ts
@@ -77,7 +77,7 @@ declare namespace $derived {
 	 *
 	 * https://svelte-5-preview.vercel.app/docs/runes#$derived-call
 	 */
-	export function call<T>(fn: () => T): void;
+	export function call<T>(fn: () => T): T;
 }
 
 /**
diff --git a/packages/svelte/types/index.d.ts b/packages/svelte/types/index.d.ts
index 06cc79118446..cea84ff785af 100644
--- a/packages/svelte/types/index.d.ts
+++ b/packages/svelte/types/index.d.ts
@@ -2509,7 +2509,7 @@ declare namespace $derived {
 	 *
 	 * https://svelte-5-preview.vercel.app/docs/runes#$derived-call
 	 */
-	export function call<T>(fn: () => T): void;
+	export function call<T>(fn: () => T): T;
 }
 
 /**