--- a/doc/make_doc
+++ b/doc/make_doc
@@ -1,7 +1,7 @@
 #!/bin/sh
 set -e
 
-DEFAULT_GAPPATH=../../..
+DEFAULT_GAPPATH=/usr/share/gap
 
 if test -z "$1"; then
   GAPPATH=${DEFAULT_GAPPATH}; echo "Using ${DEFAULT_GAPPATH} as default GAP path";
@@ -24,6 +24,7 @@
 rm -rf ../htm
 mkdir ../htm
 echo "Creating HTML documentation"
+export GAP_CONVERT_DATE="January 2020"
 $GAPPATH/etc/convert.pl -i -u -c -n aclib . ../htm
 
 #############################################################################
--- a/doc/manual.tex
+++ b/doc/manual.tex
@@ -5,7 +5,7 @@
 %%
 %F  gapomacro . . . . . . . . . . . . . . . .  read the GAP macro package
 %%
-\input ../../../etc/gapmacro
+\input /usr/share/gap/etc/gapmacro
 %
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
