diff --git a/sys-apps/sed/sed-4.2.1.bep b/sys-apps/sed/sed-4.2.1.bep
index 5c52e1639..994f2b804 100644
--- a/sys-apps/sed/sed-4.2.1.bep
+++ b/sys-apps/sed/sed-4.2.1.bep
@@ -8,7 +8,9 @@ DEPEND=""
 BUILD {
 	cd sed-4.2.1
 	autoconf
-	./configure --prefix=/boot/system
+	./configure --prefix=`finddir B_COMMON_DIRECTORY` \
+		--infodir=`finddir B_COMMON_DOCUMENTATION_DIRECTORY`/info \
+		--mandir=`finddir B_COMMON_DOCUMENTATION_DIRECTORY`/man
 	make
 }