Index: generic/nsf.c
===================================================================
diff -u -N -re83499241f8bccaddd3bede18121393dcb756ac5 -r713b8852aece6d9395464307a2c97bd916c069fb
--- generic/nsf.c	(.../nsf.c)	(revision e83499241f8bccaddd3bede18121393dcb756ac5)
+++ generic/nsf.c	(.../nsf.c)	(revision 713b8852aece6d9395464307a2c97bd916c069fb)
@@ -23071,11 +23071,11 @@
       /*fprintf(stderr, "nrElements=%d, nra=%d firstPos %d objc %d\n",
         nrElements, nrArgs, firstPosArg, objc);*/
 
-      assert(listElements != NULL);
       if (nrElements > nrPosArgs) {
         /*
          * Insert default subcommand depending on number of arguments.
          */
+        assert(listElements != NULL);
         /*fprintf(stderr, "inserting listElements[%d] '%s'\n", nrPosArgs,
           ObjStr(listElements[nrPosArgs]));*/
         *out = listElements[nrPosArgs];