diff --git a/app/src/components/composer-editor/spellcheck-plugins.jsx b/app/src/components/composer-editor/spellcheck-plugins.jsx
index 0eedc5ee8..50f1eba74 100644
--- a/app/src/components/composer-editor/spellcheck-plugins.jsx
+++ b/app/src/components/composer-editor/spellcheck-plugins.jsx
@@ -64,7 +64,7 @@ function renderMark(props) {
 
 function decorationsForNode(node, value) {
   const { key, text } = node;
-  const regexp = /[\w]+/g;
+  const regexp = /([^\s.,¿?!:()[\]+><"“”|*&^%$#@—-]+)/g;
   const decorations = [];
   let match = null;