Swap two vars for readability
diff --git a/system/database/DB_active_rec.php b/system/database/DB_active_rec.php
index 30a17d1..71762a4 100644
--- a/system/database/DB_active_rec.php
+++ b/system/database/DB_active_rec.php
@@ -278,7 +278,7 @@
 				{
 					$v = trim($v);
 					$this->_track_aliases($v);
-					$this->ar_from[] = $v = $this->_protect_identifiers($v, TRUE, NULL, FALSE);
+					$v = $this->ar_from[] = $this->_protect_identifiers($v, TRUE, NULL, FALSE);
 
 					if ($this->ar_caching === TRUE)
 					{