1 files changed, 4 insertions, 1 deletions
diff --git a/random.c b/random.c
index 6d20190404..8487277efb 100644
--- a/random.c
+++ b/random.c
@@ -332,9 +332,12 @@ rb_f_srand(int argc, VALUE *argv, VALUE obj)
     VALUE seed, old;
 
     rb_secure(4);
-    if (rb_scan_args(argc, argv, "01", &seed) == 0) {
+    if (argc == 0) {
 	seed = random_seed();
     }
+    else {
+	rb_scan_args(argc, argv, "01", &seed);
+    }
     old = rand_init(seed);
 
     return old;