diff --git a/reference/oci8/functions/oci-parse.xml b/reference/oci8/functions/oci-parse.xml
index ea4eb6f49f..38e5b5a2c3 100644
--- a/reference/oci8/functions/oci-parse.xml
+++ b/reference/oci8/functions/oci-parse.xml
@@ -22,7 +22,7 @@
   <para>
    Statement identifiers can be freed
    with <function>oci_free_statement</function> or by setting the
-   variable to <constant>null</constant>.
+   variable to &null;.
   </para>
  </refsect1>