diff -r ce6d35a0bed6 -r 60f7fb56f8cd src/HOL/Word/TdThs.thy
--- a/src/HOL/Word/TdThs.thy	Sun Dec 14 18:45:51 2008 +0100
+++ b/src/HOL/Word/TdThs.thy	Mon Dec 15 18:12:52 2008 +0100
@@ -90,7 +90,7 @@
 
 end
 
-interpretation nat_int: type_definition [int nat "Collect (op <= 0)"]
+interpretation nat_int!: type_definition int nat "Collect (op <= 0)"
   by (rule td_nat_int)
 
 declare