diff --git a/Image.php b/Image.php
index 411531f..0c425c5 100644
--- a/Image.php
+++ b/Image.php
@@ -84,7 +84,7 @@ abstract class Image extends File
 	 */
     public function getVariant($size, $force_create = false, $important_create = false)
     {
-        if ($force_create && !$important_create && array_key_exists($size, $this->variants) && $this->variants[$size]['size'] === null) {
+        if ($force_create && !$important_create && is_array($this->variants) && array_key_exists($size, $this->variants) && $this->variants[$size]['size'] === null) {
             $important_create = true;
         }