--- configure.ac.orig	2008-12-25 15:27:57.000000000 +0100
+++ configure.ac	2016-02-17 15:15:50.968708000 +0100
@@ -4,7 +4,7 @@
 dnl Information on the package
 dnl Checks for programs
 AC_PROG_CC
-AC_CHECK_PROG([have_docbook], [db2pdf], [true])
+AC_CHECK_PROG([have_docbook], [docbook2pdf], [true])
 AM_CONDITIONAL([DOCBOOK], test x$have_docbook = xtrue)
 AC_CHECK_PROG([have_pod2man], [pod2man], [true])
 AM_CONDITIONAL([POD2MAN], test x$have_pod2man = xtrue)