diff --git a/layouts/partials/head/opengraph/provider/base.html b/layouts/partials/head/opengraph/provider/base.html
index 055745d..816e5ff 100644
--- a/layouts/partials/head/opengraph/provider/base.html
+++ b/layouts/partials/head/opengraph/provider/base.html
@@ -32,12 +32,12 @@
         <meta property='article:modified_time' content='{{ .Lastmod.Format "2006-01-02T15:04:05-07:00" | safeHTML }}'/>
     {{- end -}}
 {{- else -}}
-    {{- if not .Site.Lastmod.IsZero -}}
-        <meta property='og:updated_time' content='{{ .Site.Lastmod.Format " 2006-01-02T15:04:05-07:00 " | safeHTML }}'/>
+    {{- if not .Site.LastChange.IsZero -}}
+        <meta property='og:updated_time' content='{{ .Site.LastChange.Format "2006-01-02T15:04:05-07:00" | safeHTML }}'/>
     {{- end -}}
 {{- end -}}
 
 {{ $image := partialCached "helper/image" (dict "Context" . "Type" "opengraph") .RelPermalink "opengraph" }}
 {{- if $image.exists -}}
     <meta property='og:image' content='{{ absURL $image.permalink }}' />
-{{- end -}}
\ No newline at end of file
+{{- end -}}