Index: generic/nsf.h
===================================================================
diff -u -r6f3bbd8fb0eecf44cdeb730de9a710c2f1411165 -ra24fe86a5ccd51ec670f30f1de1f2d2df7cde27e
--- generic/nsf.h	(.../nsf.h)	(revision 6f3bbd8fb0eecf44cdeb730de9a710c2f1411165)
+++ generic/nsf.h	(.../nsf.h)	(revision a24fe86a5ccd51ec670f30f1de1f2d2df7cde27e)
@@ -110,7 +110,7 @@
  * Support for TIP 627
  * https://core.tcl-lang.org/tips/doc/trunk/tip/627.md
 */
-# define TCL_OBJC_T           size_t
+# define TCL_OBJC_T           Tcl_Size
 # define TCL_OBJCMDPROC_T     Tcl_ObjCmdProc2
 # define TCL_CREATEOBJCOMMAND Tcl_CreateObjCommand2
 # define TCL_NRCREATECOMMAND  Tcl_NRCreateCommand2