1 files changed, 3 insertions, 3 deletions
diff --git a/time.c b/time.c
index 6fa4047e29..9ecc09347c 100644
--- a/time.c
+++ b/time.c
@@ -2678,13 +2678,13 @@ get_scale(VALUE unit)
 }
 
 static VALUE
-time_s_at(rb_execution_context_t *ec, VALUE klass, VALUE time, VALUE subsec, VALUE unit, VALUE zone, VALUE nosubsec, VALUE nounit)
+time_s_at(rb_execution_context_t *ec, VALUE klass, VALUE time, VALUE subsec, VALUE unit, VALUE zone)
 {
     VALUE t;
     wideval_t timew;
 
-    if (!RTEST(nosubsec)) {
-        int scale = !RTEST(nounit) ? get_scale(unit) : 1000000;
+    if (!NIL_P(subsec)) {
+        int scale = get_scale(unit);
         time = num_exact(time);
         t = num_exact(subsec);
         timew = wadd(rb_time_magnify(v2w(time)), wmulquoll(v2w(t), TIME_SCALE, scale));