diff --git a/src/runtime/components/Button.vue b/src/runtime/components/Button.vue
index 4840da83..99bd1b25 100644
--- a/src/runtime/components/Button.vue
+++ b/src/runtime/components/Button.vue
@@ -5,6 +5,7 @@ import _appConfig from '#build/app.config'
 import theme from '#build/ui/button'
 import type { LinkProps } from './Link.vue'
 import type { UseComponentIconsProps } from '../composables/useComponentIcons'
+import type { PartialString } from '../types/utils'
 
 const appConfig = _appConfig as AppConfig & { ui: { button: Partial<typeof theme> } }
 
@@ -22,7 +23,7 @@ export interface ButtonProps extends UseComponentIconsProps, Omit<LinkProps, 'ra
   /** Render the button full width. */
   block?: boolean
   class?: any
-  ui?: Partial<typeof button.slots>
+  ui?: PartialString<typeof button.slots>
 }
 
 export interface ButtonSlots {
diff --git a/src/runtime/components/CommandPalette.vue b/src/runtime/components/CommandPalette.vue
index 311026df..d6ec62df 100644
--- a/src/runtime/components/CommandPalette.vue
+++ b/src/runtime/components/CommandPalette.vue
@@ -8,7 +8,7 @@ import _appConfig from '#build/app.config'
 import theme from '#build/ui/command-palette'
 import type { UseComponentIconsProps } from '../composables/useComponentIcons'
 import type { AvatarProps, ButtonProps, ChipProps, KbdProps, InputProps } from '../types'
-import type { DynamicSlots } from '../types/utils'
+import type { DynamicSlots, PartialString } from '../types/utils'
 
 const appConfig = _appConfig as AppConfig & { ui: { commandPalette: Partial<typeof theme> } }
 
@@ -75,7 +75,7 @@ export interface CommandPaletteProps<G, T> extends Pick<ComboboxRootProps, 'mult
    */
   fuse?: UseFuseOptions<T>
   class?: any
-  ui?: Partial<typeof commandPalette.slots>
+  ui?: PartialString<typeof commandPalette.slots>
 }
 
 export type CommandPaletteEmits<T> = ComboboxRootEmits<T>
diff --git a/src/runtime/components/InputMenu.vue b/src/runtime/components/InputMenu.vue
index de5ad280..93d5ab38 100644
--- a/src/runtime/components/InputMenu.vue
+++ b/src/runtime/components/InputMenu.vue
@@ -7,7 +7,7 @@ import _appConfig from '#build/app.config'
 import theme from '#build/ui/input-menu'
 import type { UseComponentIconsProps } from '../composables/useComponentIcons'
 import type { AvatarProps, ChipProps, InputProps } from '../types'
-import type { AcceptableValue, ArrayOrWrapped } from '../types/utils'
+import type { AcceptableValue, ArrayOrWrapped, PartialString } from '../types/utils'
 
 const appConfig = _appConfig as AppConfig & { ui: { inputMenu: Partial<typeof theme> } }
 
@@ -82,7 +82,7 @@ export interface InputMenuProps<T> extends Pick<ComboboxRootProps<T>, 'modelValu
   filter?: boolean | string[]
   items?: T[] | T[][]
   class?: any
-  ui?: Partial<typeof inputMenu.slots>
+  ui?: PartialString<typeof inputMenu.slots>
 }
 
 export type InputMenuEmits<T> = ComboboxRootEmits<T> & {
diff --git a/src/runtime/components/Select.vue b/src/runtime/components/Select.vue
index 78161b57..670f17cf 100644
--- a/src/runtime/components/Select.vue
+++ b/src/runtime/components/Select.vue
@@ -6,7 +6,7 @@ import _appConfig from '#build/app.config'
 import theme from '#build/ui/select'
 import type { UseComponentIconsProps } from '../composables/useComponentIcons'
 import type { AvatarProps, ChipProps, InputProps } from '../types'
-import type { AcceptableValue } from '../types/utils'
+import type { AcceptableValue, PartialString } from '../types/utils'
 
 const appConfig = _appConfig as AppConfig & { ui: { select: Partial<typeof theme> } }
 
@@ -60,7 +60,7 @@ export interface SelectProps<T> extends Omit<SelectRootProps, 'dir'>, UseCompone
   portal?: boolean
   items?: T[] | T[][]
   class?: any
-  ui?: Partial<typeof select.slots>
+  ui?: PartialString<typeof select.slots>
 }
 
 export type SelectEmits = SelectRootEmits & {
diff --git a/src/runtime/components/SelectMenu.vue b/src/runtime/components/SelectMenu.vue
index c5bc2532..b4395d79 100644
--- a/src/runtime/components/SelectMenu.vue
+++ b/src/runtime/components/SelectMenu.vue
@@ -6,7 +6,7 @@ import _appConfig from '#build/app.config'
 import theme from '#build/ui/select-menu'
 import type { UseComponentIconsProps } from '../composables/useComponentIcons'
 import type { AvatarProps, ChipProps, InputProps } from '../types'
-import type { AcceptableValue, ArrayOrWrapped } from '../types/utils'
+import type { AcceptableValue, ArrayOrWrapped, PartialString } from '../types/utils'
 
 const appConfig = _appConfig as AppConfig & { ui: { selectMenu: Partial<typeof theme> } }
 
@@ -69,7 +69,7 @@ export interface SelectMenuProps<T> extends Pick<ComboboxRootProps<T>, 'modelVal
   filter?: boolean | string[]
   items?: T[] | T[][]
   class?: any
-  ui?: Partial<typeof selectMenu.slots>
+  ui?: PartialString<typeof selectMenu.slots>
 }
 
 export type SelectMenuEmits<T> = ComboboxRootEmits<T> & {
diff --git a/src/runtime/components/Switch.vue b/src/runtime/components/Switch.vue
index f38bbff5..7a9504da 100644
--- a/src/runtime/components/Switch.vue
+++ b/src/runtime/components/Switch.vue
@@ -4,6 +4,7 @@ import type { SwitchRootProps } from 'radix-vue'
 import type { AppConfig } from '@nuxt/schema'
 import _appConfig from '#build/app.config'
 import theme from '#build/ui/switch'
+import type { PartialString } from '../types/utils'
 
 const appConfig = _appConfig as AppConfig & { ui: { switch: Partial<typeof theme> } }
 
@@ -35,7 +36,7 @@ export interface SwitchProps extends Pick<SwitchRootProps, 'disabled' | 'id' | '
   /** The state of the switch when it is initially rendered. Use when you do not need to control its state. */
   defaultValue?: boolean
   class?: any
-  ui?: Partial<typeof switchTv.slots>
+  ui?: PartialString<typeof switchTv.slots>
 }
 
 export interface SwitchEmits {
diff --git a/src/runtime/components/Tabs.vue b/src/runtime/components/Tabs.vue
index 319edbd6..ee5fcf55 100644
--- a/src/runtime/components/Tabs.vue
+++ b/src/runtime/components/Tabs.vue
@@ -5,7 +5,7 @@ import type { AppConfig } from '@nuxt/schema'
 import _appConfig from '#build/app.config'
 import theme from '#build/ui/tabs'
 import type { AvatarProps } from '../types'
-import type { DynamicSlots } from '../types/utils'
+import type { DynamicSlots, PartialString } from '../types/utils'
 
 const appConfig = _appConfig as AppConfig & { ui: { tabs: Partial<typeof theme> } }
 
@@ -42,7 +42,7 @@ export interface TabsProps<T> extends Pick<TabsRootProps, 'defaultValue' | 'mode
    */
   content?: boolean | Omit<TabsContentProps, 'as' | 'asChild' | 'value'>
   class?: any
-  ui?: Partial<typeof tabs.slots>
+  ui?: PartialString<typeof tabs.slots>
 }
 
 export interface TabsEmits extends TabsRootEmits {}
diff --git a/src/runtime/types/utils.ts b/src/runtime/types/utils.ts
index 02d26b03..9c31526d 100644
--- a/src/runtime/types/utils.ts
+++ b/src/runtime/types/utils.ts
@@ -12,3 +12,7 @@ export type GetObjectField<MaybeObject, Key extends string> = MaybeObject extend
 export type AcceptableValue = string | number | boolean | Record<string, any>
 
 export type ArrayOrWrapped<T> = T extends any[] ? T : Array<T>
+
+export type PartialString<T> = {
+  [K in keyof T]?: string
+}