diff --git a/layouts/partials/header.html b/layouts/partials/header.html
index af032bc..2182534 100644
--- a/layouts/partials/header.html
+++ b/layouts/partials/header.html
@@ -15,7 +15,15 @@
 
 {{ if or $bigimg $title }}
   {{ if $bigimg }}
-    <div id="header-big-imgs" data-num-img={{len $bigimg}} {{range $i, $img := $bigimg}}data-img-src-{{add $i 1}}="{{$img.src | absURL }}" {{ if $img.desc}}data-img-desc-{{add $i 1}}="{{$img.desc}}"{{end}}{{end}}></div>
+    <div id="header-big-imgs" data-num-img={{len $bigimg}} 
+      {{range $i, $img := $bigimg}}
+         {{ if (fileExists $img.src)}} 
+          data-img-src-{{add $i 1}}="{{$img.src | absURL }}" 
+         {{else}}
+          data-img-src-{{add $i 1}}="{{$img.src}}" 
+         {{end}}
+         {{ if $img.desc}}data-img-desc-{{add $i 1}}="{{$img.desc}}"{{end}}
+      {{end}}></div>
   {{ end }}
 
   <header class="header-section {{ if $bigimg }}has-img{{ end }}">