diff --git a/packages/core/src/extensions/toggleMark.ts b/packages/core/src/extensions/toggleMark.ts
index e3de9adb..c00da515 100644
--- a/packages/core/src/extensions/toggleMark.ts
+++ b/packages/core/src/extensions/toggleMark.ts
@@ -3,6 +3,7 @@ import { MarkType } from 'prosemirror-model'
 import { Command } from '../Editor'
 import { createExtension } from '../Extension'
 import getMarkType from '../utils/getMarkType'
+import markIsActive from '../utils/markIsActive'
 
 export const ToggleMark = createExtension({
   addCommands() {
@@ -10,6 +11,17 @@ export const ToggleMark = createExtension({
       toggleMark: (typeOrName: string | MarkType): Command => ({ state, dispatch }) => {
         const type = getMarkType(typeOrName, state.schema)
 
+        /* TODO:
+        const hasMarkWithDifferentAttributes = attrs
+          && markIsActive(state, type)
+          && !markIsActive(state, type, attrs)
+
+        if (hasMarkWithDifferentAttributes) {
+          // @ts-ignore
+          return commands.updateMark(type, attrs)
+        }
+        */
+
         return originalToggleMark(type)(state, dispatch)
       },
     }