1 files changed, 1 insertions, 2 deletions
diff --git a/src/callint.c b/src/callint.c
index 43566acfbe9..3a595b57d77 100644
--- a/src/callint.c
+++ b/src/callint.c
@@ -509,9 +509,8 @@ invoke it.  If KEYS is omitted or nil, the return value of
   visargs = args + nargs;
   varies = (signed char *) (visargs + nargs);
 
+  verify (NIL_IS_ZERO);
   memset (args, 0, nargs * (2 * word_size + 1));
-  if (NIL_IS_NONZERO)
-    memsetnil (args, nargs * 2);
 
   GCPRO5 (prefix_arg, function, *args, *visargs, up_event);
   gcpro3.nvars = nargs;