diff --git a/lib/zerobin/db.php b/lib/zerobin/db.php
index 4475bfe..7171bc5 100644
--- a/lib/zerobin/db.php
+++ b/lib/zerobin/db.php
@@ -607,7 +607,7 @@ class zerobin_db extends zerobin_abstract
             case '0.21':
                 // create the meta column if necessary (pre 0.21 change)
                 try {
-                    self::$_db->exec('SELECT meta FROM ' . self::$_prefix . 'paste LIMIT 1;', array());
+                    self::$_db->exec('SELECT meta FROM ' . self::$_prefix . 'paste LIMIT 1;');
                 } catch (PDOException $e) {
                     self::$_db->exec('ALTER TABLE ' . self::$_prefix . 'paste ADD COLUMN meta TEXT;');
                 }
diff --git a/tst/zerobin.php b/tst/zerobin.php
index 1c9d0da..dc404a5 100644
--- a/tst/zerobin.php
+++ b/tst/zerobin.php
@@ -295,7 +295,7 @@ class zerobinTest extends PHPUnit_Framework_TestCase
         );
         $this->assertTrue($this->_model->exists($response['id']), 'paste exists after posting data');
         $paste = $this->_model->read($response['id']);
-        $this->assertEquals($time + 300, $paste->meta->expire_date, 'time is set correctly');
+        $this->assertGreaterThanOrEqual($time + 300, $paste->meta->expire_date, 'time is set correctly');
     }
 
     /**
@@ -327,8 +327,8 @@ class zerobinTest extends PHPUnit_Framework_TestCase
         );
         $this->assertTrue($this->_model->exists($response['id']), 'paste exists after posting data');
         $paste = $this->_model->read($response['id']);
-        $this->assertEquals($time + 300, $paste->meta->expire_date, 'time is set correctly');
-        $this->assertEquals(1, $paste->meta->opendiscussion, 'time is set correctly');
+        $this->assertGreaterThanOrEqual($time + 300, $paste->meta->expire_date, 'time is set correctly');
+        $this->assertEquals(1, $paste->meta->opendiscussion, 'discussion is enabled');
     }
 
     /**