diff --git a/includes/bootstrap.inc b/includes/bootstrap.inc
index 127e322e03567ce3b200499b9771150f8a36f652..8a8e889f12211121e45df1a76e35574199a22006 100644
--- a/includes/bootstrap.inc
+++ b/includes/bootstrap.inc
@@ -64,7 +64,7 @@
  * @see watchdog()
  * @see watchdog_severity_levels()
  */
-define('WATCHDOG_EMERG', 0);
+define('WATCHDOG_EMERGENCY', 0);
 
 /**
  * Log message severity -- Alert: action must be taken immediately.
diff --git a/includes/common.inc b/includes/common.inc
index 2c2b7bed21feb1090c92d5fe74da788950d6ff9b..6a108a289986a7b70ad18cd13c1455a418322185 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -5992,14 +5992,14 @@ function drupal_parse_info_format($data) {
  */
 function watchdog_severity_levels() {
   return array(
-    WATCHDOG_EMERG    => t('emergency'),
-    WATCHDOG_ALERT    => t('alert'),
-    WATCHDOG_CRITICAL => t('critical'),
-    WATCHDOG_ERROR    => t('error'),
-    WATCHDOG_WARNING  => t('warning'),
-    WATCHDOG_NOTICE   => t('notice'),
-    WATCHDOG_INFO     => t('info'),
-    WATCHDOG_DEBUG    => t('debug'),
+    WATCHDOG_EMERGENCY => t('emergency'),
+    WATCHDOG_ALERT     => t('alert'),
+    WATCHDOG_CRITICAL  => t('critical'),
+    WATCHDOG_ERROR     => t('error'),
+    WATCHDOG_WARNING   => t('warning'),
+    WATCHDOG_NOTICE    => t('notice'),
+    WATCHDOG_INFO      => t('info'),
+    WATCHDOG_DEBUG     => t('debug'),
   );
 }
 
diff --git a/modules/dblog/dblog.admin.inc b/modules/dblog/dblog.admin.inc
index 0bee419553b24ca447461742d0564af6e6248bb5..181ed7468a27b19a5b0c824441ca86b2bdf34eb4 100644
--- a/modules/dblog/dblog.admin.inc
+++ b/modules/dblog/dblog.admin.inc
@@ -13,24 +13,24 @@ function dblog_overview() {
   $filter = dblog_build_filter_query();
   $rows = array();
   $icons = array(
-    WATCHDOG_DEBUG    => '',
-    WATCHDOG_INFO     => '',
-    WATCHDOG_NOTICE   => '',
-    WATCHDOG_WARNING  => theme('image', array('path' => 'misc/watchdog-warning.png', 'alt' => t('warning'), 'title' => t('warning'))),
-    WATCHDOG_ERROR    => theme('image', array('path' => 'misc/watchdog-error.png', 'alt' => t('error'), 'title' => t('error'))),
-    WATCHDOG_CRITICAL => theme('image', array('path' => 'misc/watchdog-error.png', 'alt' => t('critical'), 'title' => t('critical'))),
-    WATCHDOG_ALERT    => theme('image', array('path' => 'misc/watchdog-error.png', 'alt' => t('alert'), 'title' => t('alert'))),
-    WATCHDOG_EMERG    => theme('image', array('path' => 'misc/watchdog-error.png', 'alt' => t('emergency'), 'title' => t('emergency'))),
+    WATCHDOG_DEBUG     => '',
+    WATCHDOG_INFO      => '',
+    WATCHDOG_NOTICE    => '',
+    WATCHDOG_WARNING   => theme('image', array('path' => 'misc/watchdog-warning.png', 'alt' => t('warning'), 'title' => t('warning'))),
+    WATCHDOG_ERROR     => theme('image', array('path' => 'misc/watchdog-error.png', 'alt' => t('error'), 'title' => t('error'))),
+    WATCHDOG_CRITICAL  => theme('image', array('path' => 'misc/watchdog-error.png', 'alt' => t('critical'), 'title' => t('critical'))),
+    WATCHDOG_ALERT     => theme('image', array('path' => 'misc/watchdog-error.png', 'alt' => t('alert'), 'title' => t('alert'))),
+    WATCHDOG_EMERGENCY => theme('image', array('path' => 'misc/watchdog-error.png', 'alt' => t('emergency'), 'title' => t('emergency'))),
   );
   $classes = array(
-    WATCHDOG_DEBUG    => 'dblog-debug',
-    WATCHDOG_INFO     => 'dblog-info',
-    WATCHDOG_NOTICE   => 'dblog-notice',
-    WATCHDOG_WARNING  => 'dblog-warning',
-    WATCHDOG_ERROR    => 'dblog-error',
-    WATCHDOG_CRITICAL => 'dblog-critical',
-    WATCHDOG_ALERT    => 'dblog-alert',
-    WATCHDOG_EMERG    => 'dblog-emerg',
+    WATCHDOG_DEBUG     => 'dblog-debug',
+    WATCHDOG_INFO      => 'dblog-info',
+    WATCHDOG_NOTICE    => 'dblog-notice',
+    WATCHDOG_WARNING   => 'dblog-warning',
+    WATCHDOG_ERROR     => 'dblog-error',
+    WATCHDOG_CRITICAL  => 'dblog-critical',
+    WATCHDOG_ALERT     => 'dblog-alert',
+    WATCHDOG_EMERGENCY => 'dblog-emerg',
   );
 
   $build['dblog_filter_form'] = drupal_get_form('dblog_filter_form');
diff --git a/modules/dblog/dblog.test b/modules/dblog/dblog.test
index 585ae34405a02a3cd24b3be74dca0807359a1fb2..5da5abf49468b3cab59af9abcf6b5a197c4d8a57 100644
--- a/modules/dblog/dblog.test
+++ b/modules/dblog/dblog.test
@@ -390,7 +390,7 @@ class DBLogTestCase extends DrupalWebTestCase {
     $types = array();
     for ($i = 0; $i < 3; $i++) {
       $type_names[] = $type_name = $this->randomName();
-      $severity = WATCHDOG_EMERG;
+      $severity = WATCHDOG_EMERGENCY;
       for ($j = 0; $j < 3; $j++) {
         $types[] = $type = array(
           'count' => mt_rand(1, 5),
@@ -506,7 +506,7 @@ class DBLogTestCase extends DrupalWebTestCase {
       'dblog-error' => WATCHDOG_ERROR,
       'dblog-critical' => WATCHDOG_CRITICAL,
       'dblog-alert' => WATCHDOG_ALERT,
-      'dblog-emerg' => WATCHDOG_EMERG,
+      'dblog-emerg' => WATCHDOG_EMERGENCY,
     );
 
     // Find the class that contains the severity.
diff --git a/modules/system/system.api.php b/modules/system/system.api.php
index a6fc4032fbe20950dd4d1d41a1d77b53f53a277c..936ca90791e0ff85e859ab0362d0d356434a2a03 100644
--- a/modules/system/system.api.php
+++ b/modules/system/system.api.php
@@ -1312,7 +1312,7 @@ function hook_xmlrpc_alter(&$methods) {
  *   - ip: The IP address where the request for the page came from.
  *   - timestamp: The UNIX timestamp of the date/time the event occurred
  *   - severity: One of the following values as defined in RFC 3164 http://www.faqs.org/rfcs/rfc3164.html
- *     WATCHDOG_EMERG     Emergency: system is unusable
+ *     WATCHDOG_EMERGENCY Emergency: system is unusable
  *     WATCHDOG_ALERT     Alert: action must be taken immediately
  *     WATCHDOG_CRITICAL  Critical: critical conditions
  *     WATCHDOG_ERROR     Error: error conditions
@@ -1327,14 +1327,14 @@ function hook_watchdog(array $log_entry) {
   global $base_url, $language;
 
   $severity_list = array(
-    WATCHDOG_EMERG    => t('Emergency'),
-    WATCHDOG_ALERT    => t('Alert'),
-    WATCHDOG_CRITICAL => t('Critical'),
-    WATCHDOG_ERROR    => t('Error'),
-    WATCHDOG_WARNING  => t('Warning'),
-    WATCHDOG_NOTICE   => t('Notice'),
-    WATCHDOG_INFO     => t('Info'),
-    WATCHDOG_DEBUG    => t('Debug'),
+    WATCHDOG_EMERGENCY => t('Emergency'),
+    WATCHDOG_ALERT     => t('Alert'),
+    WATCHDOG_CRITICAL  => t('Critical'),
+    WATCHDOG_ERROR     => t('Error'),
+    WATCHDOG_WARNING   => t('Warning'),
+    WATCHDOG_NOTICE    => t('Notice'),
+    WATCHDOG_INFO      => t('Info'),
+    WATCHDOG_DEBUG     => t('Debug'),
   );
 
   $to = 'someone@example.com';