diff --git a/layouts/partials/post_nav.html b/layouts/partials/post_nav.html
index 24ae9cc..ffb1c73 100644
--- a/layouts/partials/post_nav.html
+++ b/layouts/partials/post_nav.html
@@ -3,12 +3,12 @@
 <nav class="post-nav">
 	{{ with .PrevInSection }}
 	<div class="item item--prev">
-		<a class="link" href="{{.RelPermalink}}" rel="prev"><span class="caption">{{ T "post_nav_prev" }}</span>{{ with .Title }}<p class="post-title">{{ . }}</p>{{ end }}</a>
+		<a class="link" href="{{.RelPermalink}}" rel="prev"><span class="caption">{{ T "post_nav_prev" }}</span><p class="post-title">{{ with .Title }}{{ . }}{{ else }}{{ .Summary | truncate 60 }}{{ end }}</p></a>
 	</div>
 	{{ end }}
 	{{ with .NextInSection }}
 	<div class="item item--next">
-		<a class="link" href="{{.RelPermalink}}" rel="next"><span class="caption">{{ T "post_nav_next" }}</span>{{ with .Title }}<p class="post-title">{{ . }}</p>{{ end }}</a>
+		<a class="link" href="{{.RelPermalink}}" rel="next"><span class="caption">{{ T "post_nav_next" }}</span><p class="post-title">{{ with .Title }}{{ . }}{{ else }}{{ .Summary | truncate 60 }}{{ end }}</p></a>
 	</div>
 	{{ end }}
 </nav>