diff --git a/packages/vue-language-core/src/generators/template.ts b/packages/vue-language-core/src/generators/template.ts
index 5da34f4ae..c015b2bb3 100644
--- a/packages/vue-language-core/src/generators/template.ts
+++ b/packages/vue-language-core/src/generators/template.ts
@@ -38,6 +38,8 @@ const capabilitiesPresets = {
 };
 const formatBrackets = {
 	normal: ['`${', '}`;'] as [string, string],
+	// fix https://github.com/vuejs/language-tools/issues/3572
+	params: ['(', ') => {}'] as [string, string],
 	// fix https://github.com/vuejs/language-tools/issues/1210
 	// fix https://github.com/vuejs/language-tools/issues/2305
 	curly: ['0 +', '+ 0;'] as [string, string],
@@ -868,12 +870,12 @@ export function generate(
 					...createFormatCode(
 						slotDir.exp.content,
 						slotDir.exp.loc.start.offset,
-						formatBrackets.normal,
+						formatBrackets.params,
 					),
 				);
 
-				const collectAst = createTsAst(slotDir, `(${slotDir.exp.content}) => {}`);
-				colletVars(ts, collectAst, slotBlockVars);
+				const slotAst = createTsAst(slotDir, `(${slotDir.exp.content}) => {}`);
+				colletVars(ts, slotAst, slotBlockVars);
 				hasProps = true;
 				if (slotDir.exp.content.indexOf(':') === -1) {
 					codes.push(
diff --git a/packages/vue-language-service/tests/format/3572.spec.ts b/packages/vue-language-service/tests/format/3572.spec.ts
new file mode 100644
index 000000000..f74172f22
--- /dev/null
+++ b/packages/vue-language-service/tests/format/3572.spec.ts
@@ -0,0 +1,13 @@
+import { defineFormatTest } from '../utils/format';
+
+defineFormatTest({
+	title: '#' + __filename.split('.')[0],
+	languageId: 'vue',
+	input: `
+<template>
+	<Foo v-for="meow in 13">
+		<template #default="{ row }: { row: Row }" />
+	</Foo>
+</template>
+	`.trim(),
+});