diff --git a/packages/runtime-dom/src/index.ts b/packages/runtime-dom/src/index.ts
index ca9a307dd98..c69375983d8 100644
--- a/packages/runtime-dom/src/index.ts
+++ b/packages/runtime-dom/src/index.ts
@@ -58,8 +58,8 @@ declare module '@vue/runtime-core' {
     vOn: VOnDirective
     vBind: VModelDirective
     vIf: Directive<any, boolean>
-    VOnce: Directive
-    VSlot: Directive
+    vOnce: Directive
+    vSlot: Directive
   }
 }