diff --git a/lib/modules/Sql.pmod/mysql.pike b/lib/modules/Sql.pmod/mysql.pike
index bcddad134a032e0a870079e4ab3a10ee3746c865..5fe0c6258c202b8203b1366119bc0bb97c1d6ecd 100644
--- a/lib/modules/Sql.pmod/mysql.pike
+++ b/lib/modules/Sql.pmod/mysql.pike
@@ -394,6 +394,11 @@ void drop_db( string db )
 }
 #endif
 
+void reset()
+{
+  ::big_query("UNLOCK TABLES");
+}
+
 //! Quote a string so that it can safely be put in a query.
 //!
 //! @param s