fix creating groups

diff --git a/lib/group/database.php b/lib/group/database.php
index 7bf9c8bb5cedfbaab71af25d0d5c684414ab505e..f35f61434f087058ceddf8114cac30d79d5b49db 100644 (file)
--- a/lib/group/database.php
+++ b/lib/group/database.php
@@ -56,7 +56,7 @@ class OC_Group_Database extends OC_Group_Backend {
                $query = OC_DB::prepare( "SELECT gid FROM `*PREFIX*groups` WHERE gid = ?" );
                $result = $query->execute( array( $gid ));
 
-               if( !$result->fetchRow() ){
+               if( $result->fetchRow() ){
                        // Can not add an existing group
                        return false;
                }
@@ -101,7 +101,7 @@ class OC_Group_Database extends OC_Group_Backend {
                $query = OC_DB::prepare( "SELECT uid FROM `*PREFIX*group_user` WHERE gid = ? AND uid = ?" );
                $result = $query->execute( array( $gid, $uid ));
 
-               return $result->numRows() > 0 ? true : false;
+               return $result->fetchRow() ? true : false;
        }
 
        /**