diff --git a/system/database/DB_active_rec.php b/system/database/DB_active_rec.php
index 0a25b3c..2af3553 100644
--- a/system/database/DB_active_rec.php
+++ b/system/database/DB_active_rec.php
@@ -1694,7 +1694,8 @@
 				// is because until the user calls the from() function we don't know if there are aliases
 				foreach ($this->ar_select as $key => $val)
 				{
-					$this->ar_select[$key] = $this->_protect_identifiers($val, FALSE, $this->ar_no_escape[$key]);
+					$no_escape = isset($this->ar_no_escape[$key]) ? $this->ar_no_escape[$key] : NULL;
+					$this->ar_select[$key] = $this->_protect_identifiers($val, FALSE, $no_escape);
 				}
 
 				$sql .= implode(', ', $this->ar_select);
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index f5eb53a..e6c1425 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -104,6 +104,7 @@
 	<li class="reactor">Fixed issue #199 - Attributes passed as string does not include a space between it and the opening tag.</li>
 	<li class="reactor">Fixed a bug where the method <kbd>$this->cart->total_items()</kbd> from <a href="libraries/cart.html">Cart Library</a> now returns the sum of the quantity of all items in the cart instead of your total count.</li>
 	<li class="reactor">Fixed a bug where not setting 'null' when adding fields in db_forge for mysql and mysqli drivers would default to NULL instead of NOT NULL as the docs suggest.</li>
+	<li class="reactor">Fixed a bug where using <kbd>$this->db->select_max()</kdb>, <kbd>$this->db->select_min()</kdb>, etc could throw notices. Thanks to w43l for the patch.</li>
 </ul>
 
 <h2>Version 2.0.2</h2>