diff --git a/layouts/partials/cover.html b/layouts/partials/cover.html
index e92b555..6d3bbc8 100644
--- a/layouts/partials/cover.html
+++ b/layouts/partials/cover.html
@@ -1,7 +1,7 @@
 {{- with .cxt}} {{/* Apply proper context from dict */}}
 {{- if (and .Params.cover.image (not $.isHidden)) }}
 {{- $alt := (.Params.cover.alt | default .Params.cover.caption | plainify) }}
-{{- $loading := cond $.IsSingle "eager" "lazy" }}
+{{- $loading := cond (eq $.IsSingle "true") "eager" "lazy" }}
 <figure class="entry-cover">
     {{- $responsiveImages := (.Params.cover.responsiveImages | default site.Params.cover.responsiveImages) | default true }}
     {{- $addLink := (and site.Params.cover.linkFullImages $.IsSingle) }}