diff --git a/ndt/Makefile b/ndt/Makefile
index d8843e338..e15eb7aa9 100644
--- a/ndt/Makefile
+++ b/ndt/Makefile
@@ -11,6 +11,7 @@ PKG_RELEASE:=3
 PKG_BUILD_DIR:=${BUILD_DIR}/ndt-$(PKG_VERSION)
 PKG_SOURCE:=ndt-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=http://software.internet2.edu/sources/ndt
+PKG_HASH=098d9d55536b8a0ab07ef13eb15b7fd4
 
 PKG_LICENSE:=NONSTANDARD_PERMISSIV
 PKG_LICENSE_FILES:=COPYRIGHT