diff --git a/packages/extension-text-align/src/text-align.ts b/packages/extension-text-align/src/text-align.ts
index 5493aea2a1..dea5f9e8b9 100644
--- a/packages/extension-text-align/src/text-align.ts
+++ b/packages/extension-text-align/src/text-align.ts
@@ -1,6 +1,6 @@
 import { Extension } from '@tiptap/core'
 
-export type TextAlignOptions = {
+export interface TextAlignOptions = {
   types: string[],
   alignments: string[],
   defaultAlignment: string,