diff --git a/ezdb/dbms-drivers/ezoracledb.php b/ezdb/dbms-drivers/ezoracledb.php
index 66d5cb0..8c35a10 100644
--- a/ezdb/dbms-drivers/ezoracledb.php
+++ b/ezdb/dbms-drivers/ezoracledb.php
@@ -144,6 +144,8 @@ function eZOracleDB( $parameters )
             else
             {
                 $this->IsConnected = true;
+                // make sure the decimal separator is the dot
+                $this->query( "ALTER SESSION SET NLS_NUMERIC_CHARACTERS='. '" );
             }
 
             if ( $this->DBConnection === false )
@@ -1330,4 +1332,4 @@ static function arrayChangeKeys(&$value, $key, $params )
         );
 }
 
-?>
\ No newline at end of file
+?>