diff --git a/src/Modifiers/CoreModifiers.php b/src/Modifiers/CoreModifiers.php
index f55e31a0e9..680ddae6a2 100644
--- a/src/Modifiers/CoreModifiers.php
+++ b/src/Modifiers/CoreModifiers.php
@@ -1265,7 +1265,7 @@ public function isUrl($value)
     public function isExternalUrl($value)
     {
         if ($value instanceof ArrayableLink) {
-            $value = $value->value();
+            $value = $value->url();
         }
 
         return Str::isUrl($value) && URL::isExternal($value);