diff --git a/library/Director/Hook/PropertyModifierHook.php b/library/Director/Hook/PropertyModifierHook.php
index bd5f986b..ed97c332 100644
--- a/library/Director/Hook/PropertyModifierHook.php
+++ b/library/Director/Hook/PropertyModifierHook.php
@@ -28,6 +28,11 @@ abstract class PropertyModifierHook
         return $class;
     }
 
+    public function hasArraySupport()
+    {
+        return false;
+    }
+
     public function setTargetProperty($property)
     {
         $this->targetProperty = $property;
diff --git a/library/Director/Objects/ImportSource.php b/library/Director/Objects/ImportSource.php
index e1bf868a..385d710a 100644
--- a/library/Director/Objects/ImportSource.php
+++ b/library/Director/Objects/ImportSource.php
@@ -102,7 +102,7 @@ class ImportSource extends DbObjectWithSettings
 
                 $target = $mod->getTargetProperty($key);
 
-                if (is_array($row->$key)) {
+                if (is_array($row->$key) && ! $mod->hasArraySupport()) {
                     $new = array();
                     foreach ($row->$key as $k => $v) {
                         $new[$k] = $mod->transform($v);