diff --git a/tools/mpfr/Makefile b/tools/mpfr/Makefile
index c41cc66b5..e98671983 100644
--- a/tools/mpfr/Makefile
+++ b/tools/mpfr/Makefile
@@ -11,7 +11,7 @@ PKG_VERSION:=2.4.1
 
 PKG_SOURCE_URL:=http://www.mpfr.org/mpfr-$(PKG_VERSION)
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
-PKG_MD5SUM:=
+PKG_MD5SUM:=c5ee0a8ce82ad55fe29ac57edd35d09e
 
 include $(INCLUDE_DIR)/host-build.mk