diff --git a/NEWS b/NEWS
index 594b78fb..0b4dec43 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,8 @@
 xbps-0.44 (???):
 
+ * libxbps: use a sane umask(2) while unpacking package files from
+   binary packages (see https://github.com/voidlinux/void-packages/issues/835)
+
  * xbps-dgraph(8): the -m/--metadata option (default mode) is now properly
    accepted. Regression introduced in 0.42.
 
diff --git a/lib/package_unpack.c b/lib/package_unpack.c
index 237883fb..d655cee4 100644
--- a/lib/package_unpack.c
+++ b/lib/package_unpack.c
@@ -1,5 +1,5 @@
 /*-
- * Copyright (c) 2008-2014 Juan Romero Pardines.
+ * Copyright (c) 2008-2015 Juan Romero Pardines.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -502,6 +502,7 @@ xbps_unpack_binary_pkg(struct xbps_handle *xhp, xbps_dictionary_t pkg_repod)
 	const char *pkgver;
 	char *bpkg = NULL;
 	int pkg_fd = -1, rv = 0;
+	mode_t myumask;
 
 	assert(xbps_object_type(pkg_repod) == XBPS_TYPE_DICTIONARY);
 
@@ -529,6 +530,8 @@ xbps_unpack_binary_pkg(struct xbps_handle *xhp, xbps_dictionary_t pkg_repod)
 	archive_read_support_compression_xz(ar);
 	archive_read_support_format_tar(ar);
 
+	myumask = umask(022);
+
 	pkg_fd = open(bpkg, O_RDONLY|O_CLOEXEC);
 	if (pkg_fd == -1) {
 		rv = errno;
@@ -594,5 +597,8 @@ out:
 	if (bpkg)
 		free(bpkg);
 
+	/* restore */
+	umask(myumask);
+
 	return rv;
 }