1 files changed, 4 insertions, 5 deletions
diff --git a/core/TablePartitioning.php b/core/TablePartitioning.php
index d870a27432..7dee00bf9c 100644
--- a/core/TablePartitioning.php
+++ b/core/TablePartitioning.php
@@ -110,14 +110,13 @@ class Piwik_TablePartitioning_Monthly extends Piwik_TablePartitioning
     }
     
     /**
-     * Creates archive_blob & archive_numeric tables for a period if they don't
-     * already exist.
+     * Creates archive_blob & archive_numeric tables for a period if they don't already exist.
      * 
-     * @param Piwik_Period $periodInMonth
+     * @param Piwik_Date
      */
-    public static function createArchiveTablesIfAbsent($periodInMonth)
+    public static function createArchiveTablesIfAbsent($dateInMonth)
     {
-        $timestamp = $periodInMonth->getDateStart()->getTimestamp();
+        $timestamp = $dateInMonth->getTimestamp();
         
         self::$blobArchiveTable->setTimestamp($timestamp);
         self::$blobArchiveTable->getTableName();