diff --git a/doc/src/sgml/external-projects.sgml b/doc/src/sgml/external-projects.sgml
index 1d88054c220..88094c19ea8 100644
--- a/doc/src/sgml/external-projects.sgml
+++ b/doc/src/sgml/external-projects.sgml
@@ -178,7 +178,7 @@
      <row>
       <entry>PL/PHP</entry>
       <entry>PHP</entry>
-      <entry><ulink url="http://www.commandprompt.com/community/plphp/"></ulink></entry>
+      <entry><ulink url="https://public.commandprompt.com/projects/plphp"></ulink></entry>
      </row>
 
      <row>