Index: generic/nsf.c
===================================================================
diff -u -r8a650e1dbfbed57c711f07b8c8c151f6a9f70088 -r0739b9321294b0f8bbef0d434ae5928aee092df5
--- generic/nsf.c	(.../nsf.c)	(revision 8a650e1dbfbed57c711f07b8c8c151f6a9f70088)
+++ generic/nsf.c	(.../nsf.c)	(revision 0739b9321294b0f8bbef0d434ae5928aee092df5)
@@ -20317,10 +20317,13 @@
     if (tcd->object != NULL) {
       cmd = Tcl_DuplicateObj(tcd->object->cmdName);
       if (objc > 0) {
-        Tcl_ListObjAppendList(interp, cmd,
-                              NsfMethodNamePath(interp,
-                                                CallStackGetTclFrame(interp, NULL, 1),
-                                                MethodName(objv[0])));
+        Tcl_Obj *methodObjPath = NsfMethodNamePath(interp,
+                                                   CallStackGetTclFrame(interp, NULL, 1),
+                                                   MethodName(objv[0]));
+        INCR_REF_COUNT(methodObjPath);
+        Tcl_ListObjAppendList(interp, cmd, methodObjPath);
+        DECR_REF_COUNT(methodObjPath);
+        
         if (objc > 1) {
           Tcl_ListObjAppendElement(interp, cmd,  Tcl_NewListObj(objc-1, objv+1));
         }