diff --git a/src/Extensions/SiteTreeSubsites.php b/src/Extensions/SiteTreeSubsites.php
index de5fc2b..8a7aef1 100644
--- a/src/Extensions/SiteTreeSubsites.php
+++ b/src/Extensions/SiteTreeSubsites.php
@@ -285,7 +285,7 @@ class SiteTreeSubsites extends DataExtension
         }
 
         // Do not provide any input if there are no subsites configured
-        if (!Subsite::get()->count()) {
+        if (!Subsite::get()->exists()) {
             return null;
         }