diff --git a/sys-apps/groff/groff-1.20.1.bep b/sys-apps/groff/groff-1.20.1.bep
index 891e93d8a..4358a7ac1 100644
--- a/sys-apps/groff/groff-1.20.1.bep
+++ b/sys-apps/groff/groff-1.20.1.bep
@@ -7,7 +7,11 @@ STATUS_HAIKU="stable"
 DEPEND=""
 BUILD {
 	cd groff-1.20.1
-	./configure --prefix=/boot/common
+	./configure --prefix=`finddir B_COMMON_DIRECTORY` \
+		--datarootdir=`finddir B_COMMON_DATA_DIRECTORY` \
+		--docdir=`finddir B_COMMON_DOCUMENTATION_DIRECTORY`/doc \
+		--infodir=`finddir B_COMMON_DOCUMENTATION_DIRECTORY`/info \
+		--mandir=`finddir B_COMMON_DOCUMENTATION_DIRECTORY`/man
 	make
 }
 
@@ -15,5 +19,6 @@ INSTALL {
 	cd groff-1.20.1
 	make install
 }
+
 LICENSE="GNU GPL v3"
 COPYRIGHT="2003-2009 Free Software Foundation, Inc."