diff --git a/Doc/texinputs/howto.cls b/Doc/texinputs/howto.cls
index a1242217e8a..901cf8700f1 100644
--- a/Doc/texinputs/howto.cls
+++ b/Doc/texinputs/howto.cls
@@ -79,6 +79,7 @@
   \endgroup
   \@doHorizontalRule
   \vspace{12pt}
+  \@doing@page@targetstrue
 }  
 
 \@ifundefined{fancyhf}{
diff --git a/Doc/texinputs/manual.cls b/Doc/texinputs/manual.cls
index 563c3f86e6a..c7ab75ed16e 100644
--- a/Doc/texinputs/manual.cls
+++ b/Doc/texinputs/manual.cls
@@ -120,4 +120,5 @@
   }%
   \pagenumbering{arabic}%
   \@ifundefined{fancyhf}{}{\pagestyle{normal}}%
+  \@doing@page@targetstrue%
 }