diff --git a/prelude/PredefCnc.gf b/prelude/PredefCnc.gf
index 485f181ef..bf31c5bc5 100644
--- a/prelude/PredefCnc.gf
+++ b/prelude/PredefCnc.gf
@@ -1,3 +1,5 @@
 concrete PredefCnc of PredefAbs = {
-  lincat Int, String = {s : Str} ;
+  lincat 
+    Int = {s : Str ; size : Predef.Ints 1 ; last : Predef.Ints 9} ;
+    Float, String = {s : Str} ;
 } ;