diff --git a/processing/post/addCauchy.py b/processing/post/addCauchy.py
index afc5a57be..8bbc7fb0e 100755
--- a/processing/post/addCauchy.py
+++ b/processing/post/addCauchy.py
@@ -42,8 +42,8 @@ for name in filenames:
 
     table = damask.Table.from_ASCII(StringIO(''.join(sys.stdin.read())) if name is None else name)
     table.add('Cauchy',
-              damask.mechanics.Cauchy(table.get(options.defgrad).reshape(-1,3,3),
-                                      table.get(options.stress ).reshape(-1,3,3)).reshape(-1,9),
+              damask.mechanics.Cauchy(table.get(options.stress ).reshape(-1,3,3),
+                                      table.get(options.defgrad).reshape(-1,3,3)).reshape(-1,9),
               scriptID+' '+' '.join(sys.argv[1:]))
 
     table.to_ASCII(sys.stdout if name is None else name)
diff --git a/processing/post/addPK2.py b/processing/post/addPK2.py
index 185160d79..2894a5a90 100755
--- a/processing/post/addPK2.py
+++ b/processing/post/addPK2.py
@@ -43,8 +43,8 @@ for name in filenames:
     table = damask.Table.from_ASCII(StringIO(''.join(sys.stdin.read())) if name is None else name)
 
     table.add('S',
-              damask.mechanics.PK2(table.get(options.defgrad).reshape(-1,3,3),
-                                   table.get(options.stress ).reshape(-1,3,3)).reshape(-1,9),
+              damask.mechanics.PK2(table.get(options.stress ).reshape(-1,3,3),
+                                   table.get(options.defgrad).reshape(-1,3,3)).reshape(-1,9),
               scriptID+' '+' '.join(sys.argv[1:]))
 
     table.to_ASCII(sys.stdout if name is None else name)