diff --git a/content/dezentrale.md b/content/dezentrale.md
index 77445ee..3cf0a5b 100644
--- a/content/dezentrale.md
+++ b/content/dezentrale.md
@@ -130,7 +130,7 @@ die sie schreiben.
     —
     {{< value "chat" "matrix_server" >}}
   </a>
-  
+
 </div>
     </div>
     <div class="pure-u-1-2 centered">
diff --git a/layouts/shortcodes/value.html b/layouts/shortcodes/value.html
index d9eabc7..8d35d0b 100644
--- a/layouts/shortcodes/value.html
+++ b/layouts/shortcodes/value.html
@@ -1,12 +1,12 @@
 {{- $section := default (.Get 0) (.Get "section") -}}
-{{- $key := default (.Get 1) (.Get "key") -}}
-{{- $value := index $.Site.Data.values $section $key -}}
 {{- if not $section }}
 {{- errorf "missing parameter 'section': %s" .Position }}
 {{- end }}
+{{- $key := default (.Get 1) (.Get "key") -}}
 {{- if not $key }}
 {{- errorf "missing parameter 'key': %s" .Position }}
 {{- end }}
+{{- $value := index $.Site.Data.values $section $key }}
 {{- if not $value }}
 {{- errorf "missing, empty or null value at 'values/%s.%s': %s" $section $key .Position }}
 {{- end }}
diff --git a/themes/slick b/themes/slick
index 1b0d627..663cc39 160000
--- a/themes/slick
+++ b/themes/slick
@@ -1 +1 @@
-Subproject commit 1b0d627204800894bdaa486fd931a84293502d7c
+Subproject commit 663cc39d4cb51e6c6b25983967363f93d717145a