diff --git a/layouts/_default/_markup/render-image.html b/layouts/_default/_markup/render-image.html
index 3e5fdce8..e3ec319c 100644
--- a/layouts/_default/_markup/render-image.html
+++ b/layouts/_default/_markup/render-image.html
@@ -32,6 +32,7 @@
         {{ (.Resize "660x").RelPermalink }} 660w,
         {{ (.Resize "1024x").RelPermalink }} 1024w,
         {{ (.Resize "1320x").RelPermalink }} 2x"
+        data-zoom-src="{{ (.Resize "1320x").RelPermalink }}"
         src="{{ (.Resize "660x").RelPermalink }}"
         alt="{{ $altText }}"
       />
diff --git a/layouts/shortcodes/figure.html b/layouts/shortcodes/figure.html
index fb7293c8..99cd33b1 100644
--- a/layouts/shortcodes/figure.html
+++ b/layouts/shortcodes/figure.html
@@ -37,6 +37,7 @@
           {{ (.Resize "1024x").RelPermalink }} 1024w,
           {{ (.Resize "1320x").RelPermalink }} 2x"
           src="{{ (.Resize "660x").RelPermalink }}"
+          data-zoom-src="{{ (.Resize "1320x").RelPermalink }}"
           alt="{{ $altText }}"
         />
       {{- end }}