diff --git a/layouts/shortcodes/maps.html b/layouts/shortcodes/maps.html
index a6b2af3..2e6b719 100644
--- a/layouts/shortcodes/maps.html
+++ b/layouts/shortcodes/maps.html
@@ -1,8 +1,8 @@
 {{/* Required params. Fail if missing. */}}
 
-{{ $apiKey := .Site.Params.apiKey }}
+{{ $apiKey := .Site.Params.geoapifyApiKey }}
 {{ if not $apiKey }}
-  {{ errorf "Error: 'apiKey' is a required site parameter for this shortcode." }}
+  {{ errorf "Error: 'geoapifyApiKey' is a required site parameter for this shortcode." }}
 {{ end }}
 
 {{ $adr := .Get "address" }}