diff --git a/setup.py b/setup.py
index 532ac25..450027d 100755
--- a/setup.py
+++ b/setup.py
@@ -112,17 +112,17 @@ setup(
     url = "http://calculate-linux.org",
     license = "http://www.apache.org/licenses/LICENSE-2.0",
     data_files = (
-        ('/usr/sbin', [('bin/cl-core',0755)]),
-        ('/etc/init.d', [('data/calculate-core',0755)]),
+        ('/usr/sbin', [('bin/cl-core',0o755)]),
+        ('/etc/init.d', [('data/calculate-core',0o755)]),
         ('/usr/share/man/man1',glob('man/cl-*')),
         ('/usr/share/man/ru/man1',glob('man/ru/*')),
-        ('/usr/libexec/calculate', [('data/cl-core-wrapper', 0755)]),
-        ('/usr/libexec/calculate', [('data/cl-pkg-cache', 0755)]),
-        ('/usr/libexec/calculate', [('data/cl-check-admin', 0755)]),
-        ('/usr/libexec/calculate', [('data/cl-variable', 0755)]),
-        ('/usr/libexec/calculate', [('data/cl-dbus-core.py', 0755)], "dbus"),
-        ('/usr/share/dbus-1/system.d', [('data/org.calculate.Core.conf', 0644)], "dbus"),
-        ('/usr/share/dbus-1/system-services', [('data/org.calculate.Core.service', 0644)], "dbus"),
+        ('/usr/libexec/calculate', [('data/cl-core-wrapper', 0o755)]),
+        ('/usr/libexec/calculate', [('data/cl-pkg-cache', 0o755)]),
+        ('/usr/libexec/calculate', [('data/cl-check-admin', 0o755)]),
+        ('/usr/libexec/calculate', [('data/cl-variable', 0o755)]),
+        ('/usr/libexec/calculate', [('data/cl-dbus-core.py', 0o755)], "dbus"),
+        ('/usr/share/dbus-1/system.d', [('data/org.calculate.Core.conf', 0o644)], "dbus"),
+        ('/usr/share/dbus-1/system-services', [('data/org.calculate.Core.service', 0o644)], "dbus"),
     ),
     package_dir = {'calculate.core': "pym/core"},
     packages = packages,