diff --git a/eclass/calculate-utils-r15.eclass b/eclass/calculate-utils-r15.eclass
index 63980b1e8..ff6021a4b 100644
--- a/eclass/calculate-utils-r15.eclass
+++ b/eclass/calculate-utils-r15.eclass
@@ -134,7 +134,10 @@ prepare_module_info() {
 
 prepare_variables
 
+# dev-libs/libbsd need to automagic depends of sys-fs/mtools
+
 RDEPEND="
+	dev-libs/libbsd
 	install? ( >=app-cdr/cdrtools-3.01_alpha13
 		>=sys-boot/grub-2.00-r3
 		>=sys-boot/syslinux-5
diff --git a/sys-apps/calculate-utils/calculate-utils-3.7.1.16.ebuild b/sys-apps/calculate-utils/calculate-utils-3.7.1.16-r1.ebuild
similarity index 100%
rename from sys-apps/calculate-utils/calculate-utils-3.7.1.16.ebuild
rename to sys-apps/calculate-utils/calculate-utils-3.7.1.16-r1.ebuild