diff --git a/classes/User_group.php b/classes/User_group.php
index 142f619965..4289c51386 100644
--- a/classes/User_group.php
+++ b/classes/User_group.php
@@ -740,7 +740,7 @@ class User_group extends Managed_DataObject
             self::blow('user_group:notice_ids:%d', $this->id);
 
         } else {
-            common_log(LOG_WARN, "Ambiguous user_group->delete(); skipping related tables.");
+            common_log(LOG_WARNING, "Ambiguous user_group->delete(); skipping related tables.");
         }
         parent::delete();
     }
diff --git a/plugins/OStatus/scripts/update_ostatus_profiles.php b/plugins/OStatus/scripts/update_ostatus_profiles.php
index 6e68ca7f91..c97125f08c 100644
--- a/plugins/OStatus/scripts/update_ostatus_profiles.php
+++ b/plugins/OStatus/scripts/update_ostatus_profiles.php
@@ -319,7 +319,7 @@ while($lop->fetch()) {
         }
     } catch (Exception $e) {
         if (!$quiet) { print $e->getMessage() . "\n"; }
-        common_log(LOG_WARN, $e->getMessage(), __FILE__);
+        common_log(LOG_WARNING, $e->getMessage(), __FILE__);
         // continue on error
     }
 }
diff --git a/plugins/YammerImport/lib/yammerimporter.php b/plugins/YammerImport/lib/yammerimporter.php
index f4084c9d59..affefb52b5 100644
--- a/plugins/YammerImport/lib/yammerimporter.php
+++ b/plugins/YammerImport/lib/yammerimporter.php
@@ -49,7 +49,7 @@ class YammerImporter
         } else {
             $user = User::getKV('nickname', $nickname);
             if ($user) {
-                common_log(LOG_WARN, "Copying Yammer profile info onto existing user $nickname");
+                common_log(LOG_WARNING, "Copying Yammer profile info onto existing user $nickname");
                 $profile = $user->getProfile();
                 $this->savePropertiesOn($profile, $data['options'],
                         array('fullname', 'homepage', 'bio', 'location'));
@@ -86,7 +86,7 @@ class YammerImporter
         } else {
             $local = Local_group::getKV('nickname', $nickname);
             if ($local) {
-                common_log(LOG_WARN, "Copying Yammer group info onto existing group $nickname");
+                common_log(LOG_WARNING, "Copying Yammer group info onto existing group $nickname");
                 $group = User_group::getKV('id', $local->group_id);
                 $this->savePropertiesOn($group, $data['options'],
                         array('fullname', 'description'));