diff --git a/packaging/linux/deb/buildpackage.sh b/packaging/linux/deb/buildpackage.sh
index 41fa3a466b..74d2e6bb4a 100755
--- a/packaging/linux/deb/buildpackage.sh
+++ b/packaging/linux/deb/buildpackage.sh
@@ -44,6 +44,7 @@ pushd root
 
 # Calculate md5sums and clean up the /usr/ part of them
 md5sum `find . -type f | grep -v '^[.]/DEBIAN/'` | sed 's/\.\/usr\//usr\//g' > DEBIAN/md5sums
+chmod 0644 DEBIAN/md5sums
 
 # Replace any dashes in the version string with periods
 PKGVERSION=`echo $1 | sed "s/-/\\./g"`