1 files changed, 1 insertions, 1 deletions
diff --git a/glob.c b/glob.c
index fc71e091..ae66ab90 100644
--- a/glob.c
+++ b/glob.c
@@ -77,7 +77,7 @@ val glob_wrap(val pattern, val flags, val errfunc)
                            "its error callback function"), nao);
   }
 
-  s_errfunc = default_bool_arg(errfunc);
+  s_errfunc = default_null_arg(errfunc);
 
   (void) glob(pat_u8, c_flags, s_errfunc ? errfunc_thunk : 0, &gl);