Fix #5448
diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php
index 8f477e3..8bc6328 100644
--- a/system/database/DB_query_builder.php
+++ b/system/database/DB_query_builder.php
@@ -987,7 +987,7 @@
 				$v .= sprintf($this->_like_escape_str, $this->_like_escape_chr);
 			}
 
-			$qb_where = array('condition' => "{$prefix} {$k} {$not} LIKE", 'value' => $v, 'escape' => $escape);
+			$qb_where = array('condition' => "{$prefix} {$k} {$not} LIKE {$v}", 'value' => NULL, 'escape' => $escape);
 			$this->qb_where[] = $qb_where;
 			if ($this->qb_caching === TRUE)
 			{