diff -u b/contrib/search_api_views/includes/handler_filter.inc b/contrib/search_api_views/includes/handler_filter.inc
--- b/contrib/search_api_views/includes/handler_filter.inc
+++ b/contrib/search_api_views/includes/handler_filter.inc
@@ -32,22 +32,6 @@
   public $query;
 
   /**
-   * Provide some extra help to get the operator/value easier to use.
-   */
-  public function init(&$view, &$options) {
-    parent::init($view, $options);
-
-    // Backward compatibility.
-    if (!is_array($this->value)) {
-      $this->value = array(
-        'value' => $this->value,
-        'min' => '',
-        'max' => '',
-      );
-    }
-  }
-
-  /**
    * Redefine the value option to be able to deal with multiple values.
    */
   public function option_definition() {
@@ -59,6 +43,7 @@
         'value' => array('default' => ''),
       ),
     );
+
     return $options;
   }
 
@@ -86,12 +71,11 @@
    *
    * @see views_handler_filter_numeric::value_form()
    */
-  function value_form(&$form, &$form_state)
-  {
+  function value_form(&$form, &$form_state) {
     $form['value']['#tree'] = TRUE;
 
     $single_field_operators = $this->operator_options();
-    unset($single_field_operators['between']);
+    unset($single_field_operators['empty'], $single_field_operators['not empty'], $single_field_operators['between']);
 
     // We have to make some choices when creating this as an exposed
     // filter form. For example, if the operator is locked and thus
@@ -107,7 +91,8 @@
       if (empty($this->options['expose']['use_operator']) || empty($this->options['expose']['operator_id'])) {
         // Exposed and locked.
         $which = ($this->operator == 'between') ? 'minmax' : 'value';
-      } else {
+      }
+      else {
         $source = 'edit-' . drupal_html_id($this->options['expose']['operator_id']);
       }
     }
@@ -125,7 +110,8 @@
       if (!empty($form_state['exposed']) && !isset($form_state['input'][$identifier]['value'])) {
         $form_state['input'][$identifier]['value'] = $this->value['value'];
       }
-    } elseif ($which == 'value') {
+    }
+    elseif ($which == 'value') {
       // When exposed we drop the value-value and just do value if
       // the operator is locked.
       $form['value'] = array(
@@ -165,9 +151,9 @@
         $form_state['input'][$identifier]['max'] = $this->value['max'];
       }
 
-      if (!isset($form['value'])) {
+      if (!isset($form['value']['value'])) {
         // Ensure there is something in the 'value'.
-        $form['value'] = array(
+        $form['value']['value'] = array(
           '#type' => 'value',
           '#value' => NULL,
         );
@@ -179,10 +165,6 @@
    * Display the filter on the administrative summary
    */
   function admin_summary() {
-    if ($this->operator === 'between') {
-      return 'is between ' . check_plain((string) $this->value['min']) . ' / ' . check_plain((string) $this->value['max']);
-    }
-
     if (!empty($this->options['exposed'])) {
       return t('exposed');
     }
@@ -194,7 +176,11 @@
       return t('is not empty');
     }
 
-    return check_plain((string) $this->operator) . ' ' . check_plain((string) $this->value);
+    if ($this->operator === 'between') {
+      return 'is between ' . check_plain((string) $this->value['min']) . ' / ' . check_plain((string) $this->value['max']);
+    }
+
+    return check_plain((string) $this->operator) . ' ' . check_plain((string) $this->value['value']);
   }
 
   /**
only in patch2:
unchanged:
--- a/contrib/search_api_views/includes/handler_filter_options.inc
+++ b/contrib/search_api_views/includes/handler_filter_options.inc
@@ -121,6 +121,7 @@ class SearchApiViewsHandlerFilterOptions extends SearchApiViewsHandlerFilter {
    */
   public function option_definition() {
     $options = parent::option_definition();
+    $options['value'] = array('default' => '');
     $options['expose']['contains']['reduce'] = array('default' => FALSE);
     return $options;
   }