diff --git a/ccnode/common.py b/ccnode/common.py
index 77b343959779359dc3f4f3ffc904ef4b04dd02bc..d8b7f659233072e8c5690bc6951f0c4951d43bec 100644
--- a/ccnode/common.py
+++ b/ccnode/common.py
@@ -153,7 +153,7 @@ class LocalHost(Host):
         try:
             a = machine()
             if a in self.ARCH:
-                arch = ARCH[a]
+                arch = self.ARCH[a]
         except:
             pass
         return arch