diff --git a/chapters/install.apache2.xml b/chapters/install.apache2.xml
index 1184d88859..9b2c663ff1 100644
--- a/chapters/install.apache2.xml
+++ b/chapters/install.apache2.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.14 $ -->
+<!-- $Revision: 1.15 $ -->
   <sect1 id="install.apache2">
    <title>Servers-Apache 2.0</title>
    <para>
@@ -8,12 +8,9 @@
     <link linkend="install.apache2.unix">Unix</link>
     and <link linkend="install.apache2.windows">Windows</link> versions.
    </para>
-   <warning>
-    <para>
-     Do not use Apache 2.0 and <literal>PHP</literal> in a production
-     environment neither on Unix nor on Windows.
-    </para>
-   </warning>
+
+   &warn.apache2.compat;
+
     <para>
      You are highly encouraged to take a look at the
      <ulink url="&url.apache2.docs;">Apache Documentation</ulink> to get