diff --git a/classes/db/queryparts/condition/Condition.class.php b/classes/db/queryparts/condition/Condition.class.php
index addab276c..b81802f67 100644
--- a/classes/db/queryparts/condition/Condition.class.php
+++ b/classes/db/queryparts/condition/Condition.class.php
@@ -104,10 +104,10 @@
                                 return $name.' like '.$value;
                             break;
                         case 'in' :
-                                return $name.' in ('.$value.')';
+                                return $name.' in '.$value;
                             break;
                         case 'notin' :
-                                return $name.' not in ('.$value.')';
+                                return $name.' not in '.$value;
                             break;
                         case 'notequal' :
                                 return $name.' <> '.$value;
diff --git a/classes/xml/xmlquery/argument/Argument.class.php b/classes/xml/xmlquery/argument/Argument.class.php
index 4111508b3..db37822ee 100644
--- a/classes/xml/xmlquery/argument/Argument.class.php
+++ b/classes/xml/xmlquery/argument/Argument.class.php
@@ -38,7 +38,7 @@
 		}
 		
 		function toString($value){
-			if(is_array($value)) return implode(',', $value);
+			if(is_array($value)) return '('.implode(',', $value).')';
 			return $value;			
 		}
 		
diff --git a/test-phpUnit/classes/xml/xmlquery/argument/ArgumentTest.php b/test-phpUnit/classes/xml/xmlquery/argument/ArgumentTest.php
index 0a8180777..84293883e 100644
--- a/test-phpUnit/classes/xml/xmlquery/argument/ArgumentTest.php
+++ b/test-phpUnit/classes/xml/xmlquery/argument/ArgumentTest.php
@@ -213,6 +213,7 @@ class ArgumentTest extends CubridTest {
     public function testCreateConditionValue_In_StringValues() {
         $member_srl_argument = new ConditionArgument('"mid"', array('forum', 'board'), 'in');
         $member_srl_argument->createConditionValue();
+        $member_srl_argument->setColumnType('varchar');
         
         $this->assertEquals('(\'forum\',\'board\')', $member_srl_argument->getValue());
     }           
diff --git a/test-phpUnit/classes/xml/xmlquery/queryargument/QueryArgumentTest.php b/test-phpUnit/classes/xml/xmlquery/queryargument/QueryArgumentTest.php
index ec40ce9d9..d8911682f 100644
--- a/test-phpUnit/classes/xml/xmlquery/queryargument/QueryArgumentTest.php
+++ b/test-phpUnit/classes/xml/xmlquery/queryargument/QueryArgumentTest.php
@@ -20,11 +20,11 @@ class QueryArgumentTest extends CubridTest {
             $this->assertEquals("member_srl", $tag->getColumnName());
             $this->assertEquals(true, $tag->isConditionArgument());
                         
-            $actual = $tag->toString();
-            $expected = '   $member_srl_argument = new ConditionArgument(\'member_srl\', $args->member_srl, \'equal\');
+            $actual = Helper::cleanString($tag->toString());
+            $expected = Helper::cleanString('$member_srl_argument = new ConditionArgument(\'member_srl\', $args->member_srl, \'equal\');
                             $member_srl_argument->checkNotNull();
                             $member_srl_argument->createConditionValue();
-                            if(!$member_srl_argument->isValid()) return $member_srl_argument->getErrorMessage();';
+                            if(!$member_srl_argument->isValid()) return $member_srl_argument->getErrorMessage();');
             $this->assertEquals($expected, $actual);
     }