diff --git a/packages/language-core/lib/codegen/globalTypes.ts b/packages/language-core/lib/codegen/globalTypes.ts
index 93134095e0..7dd3b48c6b 100644
--- a/packages/language-core/lib/codegen/globalTypes.ts
+++ b/packages/language-core/lib/codegen/globalTypes.ts
@@ -134,7 +134,7 @@ export function generateGlobalTypes(options: VueCompilerOptions) {
 	type __VLS_ResolveDirectives<T> = {
 		[K in keyof T & string as \`v\${Capitalize<K>}\`]: T[K];
 	};
-	type __VLS_PrettifyGlobal<T> = { [K in keyof T as K]: T[K]; } & {};
+	type __VLS_PrettifyGlobal<T> = (T extends any ? { [K in keyof T]: T[K]; } : { [K in keyof T as K]: T[K]; }) & {};
 	type __VLS_WithDefaultsGlobal<P, D> = {
 		[K in keyof P as K extends keyof D ? K : never]-?: P[K];
 	} & {
diff --git a/packages/language-core/lib/codegen/localTypes.ts b/packages/language-core/lib/codegen/localTypes.ts
index 84e65d4aec..8e212cd2c7 100644
--- a/packages/language-core/lib/codegen/localTypes.ts
+++ b/packages/language-core/lib/codegen/localTypes.ts
@@ -17,7 +17,8 @@ type __VLS_WithDefaultsLocal<P, D> = {
 	);
 	const PrettifyLocal = defineHelper(
 		`__VLS_PrettifyLocal`,
-		() => `type __VLS_PrettifyLocal<T> = { [K in keyof T as K]: T[K]; } & {}${endOfLine}`,
+		() =>
+			`type __VLS_PrettifyLocal<T> = (T extends any ? { [K in keyof T]: T[K]; } : { [K in keyof T as K]: T[K]; }) & {}${endOfLine}`,
 	);
 	const WithSlots = defineHelper(
 		`__VLS_WithSlots`,
diff --git a/packages/tsc/tests/__snapshots__/dts.spec.ts.snap b/packages/tsc/tests/__snapshots__/dts.spec.ts.snap
index 3061be7155..9e66bd021a 100644
--- a/packages/tsc/tests/__snapshots__/dts.spec.ts.snap
+++ b/packages/tsc/tests/__snapshots__/dts.spec.ts.snap
@@ -79,9 +79,11 @@ exports[`vue-tsc-dts > Input: generic/component.vue, Output: generic/component.v
 };
 declare const _default: typeof __VLS_export;
 export default _default;
-type __VLS_PrettifyLocal<T> = {
+type __VLS_PrettifyLocal<T> = (T extends any ? {
+    [K in keyof T]: T[K];
+} : {
     [K in keyof T as K]: T[K];
-} & {};
+}) & {};
 "
 `;
 
@@ -110,9 +112,11 @@ exports[`vue-tsc-dts > Input: generic/custom-extension-component.cext, Output: g
 };
 declare const _default: typeof __VLS_export;
 export default _default;
-type __VLS_PrettifyLocal<T> = {
+type __VLS_PrettifyLocal<T> = (T extends any ? {
+    [K in keyof T]: T[K];
+} : {
     [K in keyof T as K]: T[K];
-} & {};
+}) & {};
 "
 `;
 
diff --git a/test-workspace/tsc/passedFixtures/vue3/#5592/child.vue b/test-workspace/tsc/passedFixtures/vue3/#5592/child.vue
new file mode 100644
index 0000000000..748369e89e
--- /dev/null
+++ b/test-workspace/tsc/passedFixtures/vue3/#5592/child.vue
@@ -0,0 +1,8 @@
+<script setup lang="ts" generic="T">
+defineOptions({ inheritAttrs: false });
+defineProps</* @vue-ignore */ T>();
+</script>
+
+<template>
+	<slot v-bind="$attrs as T" />
+</template>
diff --git a/test-workspace/tsc/passedFixtures/vue3/#5592/main.vue b/test-workspace/tsc/passedFixtures/vue3/#5592/main.vue
new file mode 100644
index 0000000000..4e7c74e34c
--- /dev/null
+++ b/test-workspace/tsc/passedFixtures/vue3/#5592/main.vue
@@ -0,0 +1,9 @@
+<script setup lang="ts">
+import child from './child.vue';
+</script>
+
+<template>
+  <child #default="{ foo, bar }" :foo="42" bar="baz">
+    {{ foo }} {{ bar }}
+  </child>
+</template>