diff --git a/doc/stdenv.xml b/doc/stdenv.xml
index 42095c13e0a..fe592965656 100644
--- a/doc/stdenv.xml
+++ b/doc/stdenv.xml
@@ -1599,6 +1599,16 @@ installTargets = "install-bin install-doc";</programlisting>
 
    <variablelist>
     <title>Variables controlling the fixup phase</title>
+    <varlistentry>
+     <term>
+      <varname>dontFixup</varname>
+     </term>
+     <listitem>
+      <para>
+        Set to true to skip the fixup phase.
+      </para>
+     </listitem>
+    </varlistentry>
     <varlistentry>
      <term>
       <varname>dontStrip</varname>