Index: generic/nsfStack.c
===================================================================
diff -u -r2fa3f1c596fedf924397e424b532d7f223c8b621 -rbedb248602f8940383c0f4a10bb4f99b3a5f2c4f
--- generic/nsfStack.c	(.../nsfStack.c)	(revision 2fa3f1c596fedf924397e424b532d7f223c8b621)
+++ generic/nsfStack.c	(.../nsfStack.c)	(revision bedb248602f8940383c0f4a10bb4f99b3a5f2c4f)
@@ -483,7 +483,7 @@
 
 NSF_INLINE static void
 CscInit(/*@notnull@*/ NsfCallStackContent *cscPtr, NsfObject *object, NsfClass *cl,
-	Tcl_Command cmd, int frameType, char *msg) {
+	Tcl_Command cmd, int frameType, int flags, char *msg) {
 
   assert(cscPtr);
 
@@ -533,6 +533,7 @@
     }
     
   }
+  cscPtr->callType     |= flags & NSF_CSC_COPY_FLAGS;
   cscPtr->self          = object;
   cscPtr->cl            = cl;
   cscPtr->cmdPtr        = cmd;