diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php
index e77fba6..b0e86ed 100644
--- a/system/database/DB_query_builder.php
+++ b/system/database/DB_query_builder.php
@@ -1508,7 +1508,7 @@
 				$row = $clean;
 			}
 
-			$this->qb_set[] =  '('.implode(',', $row).')';
+			$this->qb_set[] = '('.implode(',', $row).')';
 		}
 
 		foreach ($keys as $k)