diff --git a/lib/plugins/tag/post_link.js b/lib/plugins/tag/post_link.js
index d8d94fbfb8..553e7599ce 100644
--- a/lib/plugins/tag/post_link.js
+++ b/lib/plugins/tag/post_link.js
@@ -8,7 +8,7 @@ const { postFindOneFactory } = require('./');
  * Post link tag
  *
  * Syntax:
- *   {% post_link slug [title] [escape] %}
+ *   {% post_link slug | title [title] [escape] %}
  */
 module.exports = ctx => {
   return function postLinkTag(args) {
@@ -24,7 +24,8 @@ module.exports = ctx => {
       escape = 'true';
     }
 
-    const post = postFindOneFactory(ctx)({ slug });
+    const factory = postFindOneFactory(ctx);
+    const post = factory({ slug }) || factory({ title: slug });
     if (!post) {
       throw new Error(`Post not found: post_link ${slug}.`);
     }
diff --git a/lib/plugins/tag/post_path.js b/lib/plugins/tag/post_path.js
index 0b81ed69e9..89346560f4 100644
--- a/lib/plugins/tag/post_path.js
+++ b/lib/plugins/tag/post_path.js
@@ -8,14 +8,15 @@ const { postFindOneFactory } = require('./');
  * Post path tag
  *
  * Syntax:
- *   {% post_path slug %}
+ *   {% post_path slug | title %}
  */
 module.exports = ctx => {
   return function postPathTag(args) {
     const slug = args.shift();
     if (!slug) return;
 
-    const post = postFindOneFactory(ctx)({ slug });
+    const factory = postFindOneFactory(ctx);
+    const post = factory({ slug }) || factory({ title: slug });
     if (!post) return;
 
     const link = encodeURL(resolve(ctx.config.root, post.path));