diff --git a/parm/constants_pdef.py b/parm/constants_pdef.py
index b508deafc1..0872a10d7b 100755
--- a/parm/constants_pdef.py
+++ b/parm/constants_pdef.py
@@ -208,6 +208,14 @@ class Params(ConfigMaster):
 BACKGROUND_MAP = False
 
 
+#
+#     REGRDDING
+#
+
+
+REGRID_USING_MET_TOOL = False
+
+
 #
 #     TESTING
 #