diff --git a/tools/mpfr/Makefile b/tools/mpfr/Makefile
index 13ee63a6a71a468788b68c3cbd1fede7b4a54d94..55c329ff8c33b6a0abda1b7318a1fb858171c373 100644
--- a/tools/mpfr/Makefile
+++ b/tools/mpfr/Makefile
@@ -13,6 +13,7 @@ PKG_SOURCE_URL:=http://www.mpfr.org/mpfr-$(PKG_VERSION)
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_MD5SUM:=f45bac3584922c8004a10060ab1a8f9f
 
+HOST_BUILD_PARALLEL:=1
 HOST_FIXUP:=autoreconf
 
 include $(INCLUDE_DIR)/host-build.mk