2 files changed, 6 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index dac12d72..e8ddb285 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2014-03-12  Kaz Kylheku  <kaz@kylheku.com>
 
+	* lib.c (iffi): Bugfix: was still using incorrect, outdated optional
+	argument defaulting logic.
+
+2014-03-12  Kaz Kylheku  <kaz@kylheku.com>
+
 	* eval.c (plus_s, prof_s): New symbol global variables.
 	(op_prof, me_pprof): New static functions.
 	(eval_init): Intern prof symbol, store in prof_s.
diff --git a/lib.c b/lib.c
index e7fa9ff9..885455ed 100644
--- a/lib.c
+++ b/lib.c
@@ -3871,8 +3871,7 @@ val iff(val condfun, val thenfun, val elsefun)
 
 val iffi(val condfun, val thenfun, val elsefun)
 {
-  if (!elsefun)
-    elsefun = identity_f;
+  elsefun = default_arg(elsefun, identity_f);
   return func_f0v(cons(condfun, cons(thenfun, elsefun)), do_iff);
 }