diff --git a/sys-apps/groff/groff-1.20.1.bep b/sys-apps/groff/groff-1.20.1.bep
index 4358a7ac1..1b29d33c7 100644
--- a/sys-apps/groff/groff-1.20.1.bep
+++ b/sys-apps/groff/groff-1.20.1.bep
@@ -7,11 +7,12 @@ STATUS_HAIKU="stable"
 DEPEND=""
 BUILD {
 	cd groff-1.20.1
+	COMMON_DOCS=`finddir B_COMMON_DOCUMENTATION_DIRECTORY`
 	./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
+		--docdir=$COMMON_DOCS/doc \
+		--infodir=$COMMON_DOCS/info \
+		--mandir=$COMMON_DOCS/man
 	make
 }