Index: generic/nsf.c
===================================================================
diff -u -r392fda7d21bb87b5727efd57ec51d07fcf4547f4 -r382055d58ba946688114c1b79a17abfe19392133
--- generic/nsf.c	(.../nsf.c)	(revision 392fda7d21bb87b5727efd57ec51d07fcf4547f4)
+++ generic/nsf.c	(.../nsf.c)	(revision 382055d58ba946688114c1b79a17abfe19392133)
@@ -32974,6 +32974,9 @@
   assert(Nsf_OT_listType != NULL);
 
   Nsf_OT_intType = Tcl_GetObjType("int");
+  if (Nsf_OT_intType == NULL) {
+    Nsf_OT_intType = Tcl_GetObjType("wideInt");
+  }
   assert(Nsf_OT_intType != NULL);
 
   Nsf_OT_doubleType = Tcl_GetObjType("double");