diff --git a/packages/tiptap-commands/src/commands/markInputRule.js b/packages/tiptap-commands/src/commands/markInputRule.js
index 80893cf4f..46c75bf95 100644
--- a/packages/tiptap-commands/src/commands/markInputRule.js
+++ b/packages/tiptap-commands/src/commands/markInputRule.js
@@ -24,7 +24,7 @@ export default function (regexp, markType, getAttrs) {
 
     if (match[m]) {
       const matchStart = start + match[0].indexOf(match[m - 1])
-      const matchEnd = matchStart + match[m - 1].length
+      const matchEnd = matchStart + match[m - 1].length - 1
       const textStart = matchStart + match[m - 1].lastIndexOf(match[m])
       const textEnd = textStart + match[m].length