Fix #5276
diff --git a/system/database/drivers/mysqli/mysqli_utility.php b/system/database/drivers/mysqli/mysqli_utility.php
index 1699b61..82cf5ce 100644
--- a/system/database/drivers/mysqli/mysqli_utility.php
+++ b/system/database/drivers/mysqli/mysqli_utility.php
@@ -155,11 +155,7 @@
 			while ($field = $query->result_id->fetch_field())
 			{
 				// Most versions of MySQL store timestamp as a string
-				$is_int[$i] = ($field->type & MYSQLI_TYPE_TINY)
-						OR ($field->type & MYSQLI_TYPE_SHORT)
-						OR ($field->type & MYSQLI_TYPE_INT24)
-						OR ($field->type & MYSQLI_TYPE_LONG)
-						OR ($field->type & MYSQLI_TYPE_LONGLONG);
+				$is_int[$i] = in_array($field->type, array(MYSQLI_TYPE_TINY, MYSQLI_TYPE_SHORT, MYSQLI_TYPE_INT24, MYSQLI_TYPE_LONG), TRUE);
 
 				// Create a string of field names
 				$field_str .= $this->db->escape_identifiers($field->name).', ';