diff --git a/sys-devel/patch/patch-2.6.1.bep b/sys-devel/patch/patch-2.6.1.bep
index ac0a918f6..48ca6fba6 100644
--- a/sys-devel/patch/patch-2.6.1.bep
+++ b/sys-devel/patch/patch-2.6.1.bep
@@ -7,7 +7,8 @@ STATUS_HAIKU="stable"
 DEPEND=""
 BUILD {
 	cd patch-2.6.1
-	./configure --prefix=/boot/common
+	./configure --prefix=`finddir B_COMMON_DIRECTORY` \
+		--mandir=`finddir B_COMMON_DOCUMENTATION_DIRECTORY`/man
 	make
 }