diff --git a/dev-libs/mpfr/mpfr-3.1.1.bep b/dev-libs/mpfr/mpfr-3.1.1.bep
index 8964677f0..791db9071 100644
--- a/dev-libs/mpfr/mpfr-3.1.1.bep
+++ b/dev-libs/mpfr/mpfr-3.1.1.bep
@@ -12,6 +12,7 @@ BUILD {
 #	automake --add-missing
 #	autoconf
 	./configure --prefix=`finddir B_COMMON_DIRECTORY` \
+		--datarootdir=`finddir B_COMMON_DOCUMENTATION_DIRECTORY` \
 		--with-gmp=`finddir B_COMMON_DIRECTORY`
 	make
 }