diff --git a/glafp-utils/docbook/db2ps.dir/Makefile b/glafp-utils/docbook/db2ps.dir/Makefile
index 995857665123407f1d505824a163778e3da47b88..82b13bee154b2b0ec38bfafdf4638d2669af4b4a 100644
--- a/glafp-utils/docbook/db2ps.dir/Makefile
+++ b/glafp-utils/docbook/db2ps.dir/Makefile
@@ -3,7 +3,6 @@ include $(TOP)/mk/boilerplate.mk
 
 SCRIPT_PROG=../db2ps
 SCRIPT_OBJS=db2ps.sh
-SCRIPT_SUBST_VARS=DOCBOOK_PREFIX
 INTERP=$(SHELL)
 
 CLEAN_FILES += $(SCRIPT_PROG)
diff --git a/glafp-utils/docbook/db2ps.dir/db2ps.sh b/glafp-utils/docbook/db2ps.dir/db2ps.sh
index 4be3c20ea18be18baec01eb7a570491e7f85e621..b4def79f20c315c70cd500ec8df54d3b7ed84069 100644
--- a/glafp-utils/docbook/db2ps.dir/db2ps.sh
+++ b/glafp-utils/docbook/db2ps.dir/db2ps.sh
@@ -13,7 +13,7 @@ fi
 
 output="`echo $1 | sed 's,\.sgml$,.ps,;s,\.sgm$,.ps,'`"
 outdvi="`echo $1 | sed 's,\.sgml$,.dvi,;s,\.sgm$,.dvi,'`"
-$(DOCBOOK_PREFIX)db2dvi -d ${DB_STYLESHEET} "$@"
+make $outdvi
 dvips $outdvi -o $output
 
 exit 0