diff --git a/system/database/DB_forge.php b/system/database/DB_forge.php
index 9b76392..91f9d56 100644
--- a/system/database/DB_forge.php
+++ b/system/database/DB_forge.php
@@ -231,7 +231,7 @@
 
 		if (($result = $this->db->query($sql)) !== FALSE && ! empty($this->db->data_cache['table_names']))
 		{
-			$this->db->data_cache['table_names'][] = $$this->db->dbprefix.$table;
+			$this->db->data_cache['table_names'][] = $this->db->dbprefix.$table;
 		}
 
 		return $result;