diff --git a/test/conftest.py b/test/conftest.py
index 95e2fca..d3bbb76 100644
--- a/test/conftest.py
+++ b/test/conftest.py
@@ -126,6 +126,7 @@ def supported_configs():
     This list should be updated every time yadm learns a new config.
     """
     return [
+        'local.arch',
         'local.class',
         'local.hostname',
         'local.os',
diff --git a/yadm b/yadm
index 40fa224..1c5cd55 100755
--- a/yadm
+++ b/yadm
@@ -1247,6 +1247,7 @@ EOF
 function introspect_configs() {
   local msg
   read -r -d '' msg <<-EOF
+local.arch
 local.class
 local.hostname
 local.os