diff --git a/Tools/autotest/param_metadata/param.py b/Tools/autotest/param_metadata/param.py
index 2e070ca092..28cb01f2df 100644
--- a/Tools/autotest/param_metadata/param.py
+++ b/Tools/autotest/param_metadata/param.py
@@ -31,6 +31,7 @@ known_param_fields = [
              'Bitmask',
              'Volatile',
              'ReadOnly',
+             'Calibration',
                       ]
 
 # Follow SI units conventions from:
diff --git a/Tools/autotest/param_metadata/xmlemit.py b/Tools/autotest/param_metadata/xmlemit.py
index f2fa294ca1..3d7d86e674 100644
--- a/Tools/autotest/param_metadata/xmlemit.py
+++ b/Tools/autotest/param_metadata/xmlemit.py
@@ -46,6 +46,9 @@ class XmlEmit(Emit):
             if hasattr(param, 'User'):
                 t += ' user=%s' % quoteattr(param.User)  # i.e. Standard or Advanced
 
+            if hasattr(param, 'Calibration'):
+                t += ' calibration=%s' % quoteattr(param.Calibration)  # i.e. Standard or Advanced
+
             t += ">\n"
 
             # Add values as chidren of this node