diff --git a/themes/buha/layouts/posts/single.html b/themes/buha/layouts/posts/single.html
index 5a71541..c8542c7 100644
--- a/themes/buha/layouts/posts/single.html
+++ b/themes/buha/layouts/posts/single.html
@@ -75,7 +75,7 @@
                                 </a>
                             {{ else }}
                                 {{ $fname := . }}
-                                {{ if not strings.HasSuffix $fname "md" }}
+                                {{ if not (strings.HasSuffix $fname "md") }}
                                     <div>🗀 <a href="{{ $fname.Permalink }}" class="underline">{{ $fname }}</a></div>
                                 {{ end }}
                             {{ end }}