diff --git a/classes/DailyImageWidget.php b/classes/DailyImageWidget.php
index f5fc529..1ebfda1 100644
--- a/classes/DailyImageWidget.php
+++ b/classes/DailyImageWidget.php
@@ -260,22 +260,18 @@ class DailyImageWidget {
    * @return array|boolean The cached data or false upon failure.
    */
   function _get_cached_data() {
-    $result = get_option('hubblesite-daily-image-cache');
-    
-    if (is_string($result)) {
-      if (($data = @unserialize($result)) !== false) {
-        list($timestamp, $cached_data) = $data;
+    if (($result = get_option('hubblesite-daily-image-cache')) !== false) {    
+      list($timestamp, $cached_data) = $result;
+      
+      if (($timestamp + $this->_cache_time) > time()) {
+        $is_valid = true;
+        foreach ($this->_valid_column_names as $field) {
+          if (!isset($cached_data[$field])) { $is_valid = false; break; }
+        }
         
-        if (($timestamp + $this->_cache_time) > time()) {
-          $is_valid = true;
-          foreach ($this->_valid_column_names as $field) {
-            if (!isset($cached_data[$field])) { $is_valid = false; break; }
-          }
-          
-          if ($is_valid) {
-            $this->data = $cached_data;
-            return $cached_data;
-          }
+        if ($is_valid) {
+          $this->data = $cached_data;
+          return $cached_data;
         }
       }
     }
diff --git a/test/DailyImageWidgetTest.php b/test/DailyImageWidgetTest.php
index 3cbed05..2f503cb 100644
--- a/test/DailyImageWidgetTest.php
+++ b/test/DailyImageWidgetTest.php
@@ -256,11 +256,11 @@ class DailyImageWidgetTest extends PHPUnit_Framework_TestCase {
   
   function testGetCachedData() {
     $test_time = time() + 86500;
-    update_option('hubblesite-daily-image-cache', serialize(array($test_time, $this->sample_data)));
+    update_option('hubblesite-daily-image-cache', array($test_time, $this->sample_data));
     $this->assertEquals($this->sample_data, $this->diw->_get_cached_data());
 
     $test_time = time() - 86500;
-    update_option('hubblesite-daily-image-cache', serialize(array($test_time, $this->sample_data)));
+    update_option('hubblesite-daily-image-cache', array($test_time, $this->sample_data));
     $this->assertEquals(false, $this->diw->_get_cached_data());
 
     update_option('hubblesite-daily-image-cache', null);