diff --git a/src/Fieldtypes/SourceFieldtype.php b/src/Fieldtypes/SourceFieldtype.php
index c93325bd..1216b252 100755
--- a/src/Fieldtypes/SourceFieldtype.php
+++ b/src/Fieldtypes/SourceFieldtype.php
@@ -84,7 +84,7 @@ public function augment(mixed $data): mixed
         if ($data === '@default') {
             $value = $this->sourceFieldtype()->augment($this->defaultValueFromCascade());
 
-            return is_string($data) && Str::contains($value, '@field')
+            return is_string($value) && Str::contains($value, '@field')
                 ? $this->sourceFieldtype()->augment($this->parseFieldValues($value))
                 : $value;
         }