diff --git a/packages/base/all/vendor-config-onl/src/python/onl/sysconfig/__init__.py b/packages/base/all/vendor-config-onl/src/python/onl/sysconfig/__init__.py
index 9d768701..0a52c3c9 100644
--- a/packages/base/all/vendor-config-onl/src/python/onl/sysconfig/__init__.py
+++ b/packages/base/all/vendor-config-onl/src/python/onl/sysconfig/__init__.py
@@ -41,11 +41,7 @@ class OnlSystemConfig(object):
         self.variables = {}
         self.variables['PLATFORM'] = platform.platform()
         self.variables['ARCH'] = pp.machine()
-        self.variables['PARCH'] = dict(ppc='powerpc',
-                                       x86_64='amd64',
-                                       armv7l='armel',
-                                       aarch64='arm64')[pp.machine()]
-
+        self.variables['PARCH'] = onl.util.dpkg_architecture()
         self.config = {}
         for dir_ in self.SYSTEM_CONFIG_DIRS:
             if os.path.isdir(dir_):
diff --git a/packages/base/all/vendor-config-onl/src/python/onl/upgrade/ubase.py b/packages/base/all/vendor-config-onl/src/python/onl/upgrade/ubase.py
index fbdf5567..70c6b2ac 100644
--- a/packages/base/all/vendor-config-onl/src/python/onl/upgrade/ubase.py
+++ b/packages/base/all/vendor-config-onl/src/python/onl/upgrade/ubase.py
@@ -15,6 +15,7 @@ import string
 import argparse
 import yaml
 from time import sleep
+import onl.util
 
 from onl.platform.current import OnlPlatform, OnlPlatformName
 from onl.mounts import OnlMountManager, OnlMountContextReadOnly, OnlMountContextReadWrite
@@ -37,7 +38,7 @@ class BaseUpgrade(object):
         self.init_argparser()
         self.load_config()
         self.arch = pp.machine()
-        self.parch = dict(ppc='powerpc', x86_64='amd64', armv7l='armel', aarch64='arm64')[self.arch]
+        self.parch = onl.util.dpkg_architecture()
         self.platform = OnlPlatform()
         self.init()
 
diff --git a/packages/base/all/vendor-config-onl/src/python/onl/util/__init__.py b/packages/base/all/vendor-config-onl/src/python/onl/util/__init__.py
index b5d99fd4..61652893 100644
--- a/packages/base/all/vendor-config-onl/src/python/onl/util/__init__.py
+++ b/packages/base/all/vendor-config-onl/src/python/onl/util/__init__.py
@@ -148,3 +148,6 @@ def wget(url, directory=None, temp_directory=None, extension=None):
         return (None, filename, directory)
     except subprocess.CalledProcessError, e:
         return (e, None, None)
+
+def dpkg_architecture():
+    return subprocess.check_output("dpkg --print-architecture", shell=True).strip()