diff --git a/modules/image/image.api.php b/modules/image/image.api.php
index 5b635ec749bca7904f66d3141ff02bd04eea6b1c..acb3f9c1983f63b28c7b30b0c3106c1fbe1b9fc2 100644
--- a/modules/image/image.api.php
+++ b/modules/image/image.api.php
@@ -55,8 +55,8 @@ function hook_image_effect_info() {
  */
 function hook_image_effect_info_alter(&$effects) {
   // Override the Image module's crop effect with more options.
-  $effect['image_crop']['effect callback'] = 'mymodule_crop_effect';
-  $effect['image_crop']['form callback'] = 'mymodule_crop_form';
+  $effects['image_crop']['effect callback'] = 'mymodule_crop_effect';
+  $effects['image_crop']['form callback'] = 'mymodule_crop_form';
 }
 
 /**