diff --git a/modules/image/image.admin.inc b/modules/image/image.admin.inc
index 8ef98a84a17a9641537b9c3ae936e636f0f42058..e239384f4b3da19f3049982c91164655917ce079 100644
--- a/modules/image/image.admin.inc
+++ b/modules/image/image.admin.inc
@@ -83,31 +83,36 @@ function image_style_form($form, &$form_state, $style) {
   $form['effects'] = array(
     '#theme' => 'image_style_effects',
   );
-  foreach ($style['effects'] as $ieid => $effect) {
-    $form['effects'][$ieid]['#weight'] = isset($form_state['input']['effects']) ? $form_state['input']['effects'][$ieid]['weight'] : NULL;
-    $form['effects'][$ieid]['label'] = array(
+  foreach ($style['effects'] as $key => $effect) {
+    $form['effects'][$key]['#weight'] = isset($form_state['input']['effects']) ? $form_state['input']['effects'][$key]['weight'] : NULL;
+    $form['effects'][$key]['label'] = array(
       '#markup' => $effect['label'],
     );
-    $form['effects'][$ieid]['summary'] = array(
+    $form['effects'][$key]['summary'] = array(
       '#markup' => isset($effect['summary theme']) ? theme($effect['summary theme'], array('data' => $effect['data'])) : '',
     );
-    $form['effects'][$ieid]['weight'] = array(
+    $form['effects'][$key]['weight'] = array(
       '#type' => 'weight',
       '#default_value' => $effect['weight'],
       '#access' => $editable,
     );
-    $form['effects'][$ieid]['configure'] = array(
-      '#type' => 'link',
-      '#title' => t('edit'),
-      '#href' => 'admin/config/media/image-styles/edit/' . $style['name'] . '/effects/' . $effect['ieid'],
-      '#access' => $editable && isset($effect['form callback']),
-    );
-    $form['effects'][$ieid]['remove'] = array(
-      '#type' => 'link',
-      '#title' => t('delete'),
-      '#href' => 'admin/config/media/image-styles/edit/' . $style['name'] . '/effects/' . $effect['ieid'] . '/delete',
-      '#access' => $editable,
-    );
+
+    // Only attempt to display these fields for editable styles as the 'ieid'
+    // key is not set for styles defined in code.
+    if ($editable) {
+      $form['effects'][$key]['configure'] = array(
+        '#type' => 'link',
+        '#title' => t('edit'),
+        '#href' => 'admin/config/media/image-styles/edit/' . $style['name'] . '/effects/' . $effect['ieid'],
+        '#access' => $editable && isset($effect['form callback']),
+      );
+      $form['effects'][$key]['remove'] = array(
+        '#type' => 'link',
+        '#title' => t('delete'),
+        '#href' => 'admin/config/media/image-styles/edit/' . $style['name'] . '/effects/' . $effect['ieid'] . '/delete',
+        '#access' => $editable,
+      );
+    }
   }
 
   // Build the new image effect addition form and add it to the effect list.
diff --git a/modules/image/image.module b/modules/image/image.module
index 42641f81636d772550b15a093c7ebf7c2e326b91..f9322bde830ee85cdb94893088f5ce483ea96ddb 100644
--- a/modules/image/image.module
+++ b/modules/image/image.module
@@ -435,11 +435,10 @@ function image_styles() {
           $style['name'] = $style_name;
           $style['module'] = $module;
           $style['storage'] = IMAGE_STORAGE_DEFAULT;
-          foreach ($style['effects'] as $ieid => $effect) {
+          foreach ($style['effects'] as $key => $effect) {
             $definition = image_effect_definition_load($effect['name']);
             $effect = array_merge($definition, $effect);
-            $effect['ieid'] = $ieid;
-            $style['effects'][$ieid] = $effect;
+            $style['effects'][$key] = $effect;
           }
           $styles[$style_name] = $style;
         }
@@ -834,7 +833,7 @@ function image_default_style_save($style) {
   $effects = array();
   foreach ($style['effects'] as $effect) {
     $effect['isid'] = $style['isid'];
-    image_effect_save($effect);
+    $effect = image_effect_save($effect);
     $effects[$effect['ieid']] = $effect;
   }
   $style['effects'] = $effects;
diff --git a/modules/image/image.test b/modules/image/image.test
index 114cd59d594a769f7ebc3fb7a81b4907348d197f..fded5671dd290154a234b1b8b1ce539040066933 100644
--- a/modules/image/image.test
+++ b/modules/image/image.test
@@ -536,6 +536,11 @@ class ImageAdminStylesUnitTest extends ImageFieldTestCase {
     $image_path = $this->createSampleImage($style);
     $this->assertEqual($this->getImageCount($style), 1, t('Image style %style image %file successfully generated.', array('%style' => $style['name'], '%file' => $image_path)));
 
+    // Verify that effects attached to a default style do not have an ieid key.
+    foreach ($style['effects'] as $effect) {
+      $this->assertFalse(isset($effect['ieid']), t('The %effect effect does not have an ieid.', array('%effect' => $effect['name'])));
+    }
+
     // Override the default.
     $this->drupalPost($edit_path, array(), t('Override defaults'));
     $this->assertRaw(t('The %style style has been overridden, allowing you to change its settings.', array('%style' => $style_name)), t('Default image style may be overridden.'));
@@ -545,6 +550,11 @@ class ImageAdminStylesUnitTest extends ImageFieldTestCase {
     drupal_static_reset('image_styles');
     $style = image_style_load($style_name);
 
+    // Verify that effects attached to the style have an ieid now.
+    foreach ($style['effects'] as $effect) {
+      $this->assertTrue(isset($effect['ieid']), t('The %effect effect has an ieid.', array('%effect' => $effect['name'])));
+    }
+
     // The style should now have 2 effect, the original scale provided by core
     // and the desaturate effect we added in the override.
     $effects = array_values($style['effects']);