diff --git a/layouts/_default/single.html b/layouts/_default/single.html
index f85fc5d..4f30f9b 100644
--- a/layouts/_default/single.html
+++ b/layouts/_default/single.html
@@ -7,7 +7,9 @@
     {{ if .Date }}
       <time class="post-date">
         {{ .Date.Format "2006-01-02" }} ::
-        {{ if $.Site.Params.showLastUpdated }}
+        {{ $showLastUpdated := ne (.Date.Format "2006-01-02") (.Lastmod.Format "2006-01-02")}}
+        {{ $showLastUpdated := and $showLastUpdated $.Site.Params.showLastUpdated }}
+        {{ if $showLastUpdated }}
           [{{or $.Site.Params.updatedDatePrefix "Updated"}} :: {{ .Lastmod.Format "2006-01-02" }}]
         {{ end }}
       </time>