diff --git a/src/public/app/services/link.js b/src/public/app/services/link.js
index 3d0426e93..6a65aeb43 100644
--- a/src/public/app/services/link.js
+++ b/src/public/app/services/link.js
@@ -259,7 +259,7 @@ function goToLinkExt(evt, hrefLink, $link) {
                 // Enable protocols supported by CKEditor 5 to be clickable. 
                 // Refer to `allowedProtocols` in https://github.com/TriliumNext/trilium-ckeditor5/blob/main/packages/ckeditor5-build-balloon-block/src/ckeditor.ts.
                 // Adding `:` to these links might be safer.
-                const otherAllowedProtocols = ['tel:', 'sms:', 'sftp:', 'smb:', 'slack:', 'file:', 'zotero:'];
+                const otherAllowedProtocols = ['mailto:', 'tel:', 'sms:', 'sftp:', 'smb:', 'slack:', 'file:', 'zotero:'];
                 if (otherAllowedProtocols.some(protocol => hrefLink.startsWith(protocol))){
                     window.open(hrefLink, '_blank');
                 }