diff --git a/mongodb_watchdog/mongodb_watchdog.admin.inc b/mongodb_watchdog/mongodb_watchdog.admin.inc
index a844192..0972aaf 100644
--- a/mongodb_watchdog/mongodb_watchdog.admin.inc
+++ b/mongodb_watchdog/mongodb_watchdog.admin.inc
@@ -39,7 +39,7 @@ function mongodb_watchdog_overview() {
   $pager_page_array = explode(',', $page);
   $on_page = $pager_page_array[0];
 
-  $cursor = mongodb_collection(variable_get('mongodb_collectionname', 'watchdog'))
+  $cursor = mongodb_collection(variable_get('mongodb_watchdog_collectionname', 'watchdog'))
     ->find(mongodb_watchdog_build_filter_query())
     ->limit($per_page)
     ->skip($on_page * $per_page)
@@ -89,7 +89,7 @@ function mongodb_watchdog_overview() {
 
   // Add the pager.
   if ($on_page > 0 || count($rows) >= $per_page) {
-    $pager_total_items[0] = mongodb_collection(variable_get('mongodb_collectionname', 'watchdog'))
+    $pager_total_items[0] = mongodb_collection(variable_get('mongodb_watchdog_collectionname', 'watchdog'))
       ->find(mongodb_watchdog_build_filter_query())
       ->count();
     $pager_total[0] = ceil($pager_total_items[0] / $per_page);
@@ -134,7 +134,7 @@ function mongodb_watchdog_event($dblog) {
       isset($dblog['count']) ? $dblog['count'] : '',
     ),
   );
-  $build['reports'] = array( 
+  $build['reports'] = array(
     '#type' => 'markup',
     '#markup' => l(t('Return to log report'), 'admin/reports/mongodb'),
   );
@@ -208,7 +208,7 @@ function mongodb_watchdog_event($dblog) {
 }
 
 /**
- * Initialize the global pager variables for use in a mongodb_watchdog event list. 
+ * Initialize the global pager variables for use in a mongodb_watchdog event list.
  */
 function mongodb_watchdog_pager_init($element, $limit, $total) {
   global $pager_page_array, $pager_total, $pager_total_items;
@@ -340,7 +340,7 @@ function mongodb_watchdog_filter_form_submit($form, &$form_state) {
  */
 function _mongodb_watchdog_get_message_types() {
   // As of version 1.0.1, the PHP driver doesn't expose the 'distinct' command.
-  $collection = mongodb_collection(variable_get('mongodb_collectionname', 'watchdog'));
+  $collection = mongodb_collection(variable_get('mongodb_watchdog_collectionname', 'watchdog'));
   $result = $collection->db->command(array('distinct' => $collection->getName(), 'key' => 'type'));
   return $result['values'];
 }
@@ -374,7 +374,7 @@ function mongodb_watchdog_clear_log_form($form) {
 function mongodb_watchdog_clear_log_submit() {
   try {
     // Drop the watchdog collection.
-    $collection = mongodb_collection(variable_get('mongodb_collectionname', 'watchdog'));
+    $collection = mongodb_collection(variable_get('mongodb_watchdog_collectionname', 'watchdog'));
     $collection->db->dropCollection($collection->getName());
 
     // Recreate the indexes.
diff --git a/mongodb_watchdog/mongodb_watchdog.module b/mongodb_watchdog/mongodb_watchdog.module
index dbb2e89..0ac3ce3 100644
--- a/mongodb_watchdog/mongodb_watchdog.module
+++ b/mongodb_watchdog/mongodb_watchdog.module
@@ -32,7 +32,7 @@ function mongodb_watchdog_menu() {
  * Load the MongoDB watchdog event.
  */
 function mongodb_watchdog_event_load($id) {
-  $result = mongodb_collection(variable_get('mongodb_collectionname', 'watchdog'))->findOne(array('_id' => $id));
+  $result = mongodb_collection(variable_get('mongodb_watchdog_collectionname', 'watchdog'))->findOne(array('_id' => $id));
   return $result ? $result : FALSE;
 }
 
diff --git a/mongodb_watchdog/mongodb_watchdog.test b/mongodb_watchdog/mongodb_watchdog.test
index 1851327..93279b4 100644
--- a/mongodb_watchdog/mongodb_watchdog.test
+++ b/mongodb_watchdog/mongodb_watchdog.test
@@ -159,7 +159,7 @@ class MongoDBLogTestCase extends DrupalWebTestCase {
     // Logout user.
     $this->drupalLogout();
     // Fetch row ids in watchdog that relate to the user.
-    $collection = mongodb_collection(variable_get('mongodb_collectionname', 'watchdog'));
+    $collection = mongodb_collection(variable_get('mongodb_watchdog_collectionname', 'watchdog'));
     $query = array('uid' => $user->uid);
     $result = $collection->find($query, array('_id' => 1));
     foreach ($result as $row) {