diff --git a/packages/core/src/commands/toggleMark.ts b/packages/core/src/commands/toggleMark.ts
index 98010f19..4de80b8c 100644
--- a/packages/core/src/commands/toggleMark.ts
+++ b/packages/core/src/commands/toggleMark.ts
@@ -15,7 +15,11 @@ declare module '../Editor' {
 export const toggleMark: ToggleMarkCommand = (typeOrName, attrs) => ({ state, dispatch, commands }) => {
   const type = getMarkType(typeOrName, state.schema)
 
-  if (markIsActive(state, type) && !markIsActive(state, type, attrs)) {
+  const hasMarkWithDifferentAttributes = attrs
+    && markIsActive(state, type)
+    && !markIsActive(state, type, attrs)
+
+  if (hasMarkWithDifferentAttributes) {
     // @ts-ignore
     return commands.updateMark(type, attrs)
   }
diff --git a/packages/core/src/utils/markHasAttributes.ts b/packages/core/src/utils/markHasAttributes.ts
index 76f7a67f..a598c26c 100644
--- a/packages/core/src/utils/markHasAttributes.ts
+++ b/packages/core/src/utils/markHasAttributes.ts
@@ -2,8 +2,14 @@ import { EditorState } from 'prosemirror-state'
 import { MarkType } from 'prosemirror-model'
 import getMarkAttrs from './getMarkAttrs'
 
-export default function markHasAttributes(state: EditorState, type: MarkType, attrs?: Object) {
-  return attrs === undefined || JSON.stringify(attrs) === JSON.stringify(
-    getMarkAttrs(state, type),
-  )
+export default function markHasAttributes(state: EditorState, type: MarkType, attrs?: { [key: string]: any }) {
+  if (attrs === undefined) {
+    return true
+  }
+
+  const originalAttrs: { [key: string]: any } = getMarkAttrs(state, type)
+
+  return Object.keys(attrs).filter((key: string) => {
+    return attrs[key] === originalAttrs[key]
+  }).length
 }