diff --git a/src/generators/arc4.ts b/src/generators/arc4.ts
index 7523e9c..deddefb 100644
--- a/src/generators/arc4.ts
+++ b/src/generators/arc4.ts
@@ -54,7 +54,7 @@ export class ARC4RNG extends RNG {
 
     // For more robust unpredictability, the function call below discards an
     // initial batch of values. This is called RC4-drop.
-    this.g(768)
+    this.g(256)
   }
 
   override get name() {
diff --git a/src/seed.test.ts b/src/seed.test.ts
index b28559e..0fbef75 100644
--- a/src/seed.test.ts
+++ b/src/seed.test.ts
@@ -29,16 +29,16 @@ test('random.clone with string seed is consistent', () => {
 
 test('Random constructor', () => {
   const rng = new Random()
-  expect(rng).toBeDefined()
+  expect(rng.rng.name).toEqual('Math.random')
 
   const rng2 = new Random(seedrandom('my-seed-string'))
-  expect(rng2).toBeDefined()
+  expect(rng2.rng.name).toEqual('prng')
 
   const rng3 = new Random(Math.random)
-  expect(rng3).toBeDefined()
+  expect(rng3.rng.name).toEqual('random')
 
   const rng4 = new Random('example-seed-string')
-  expect(rng4).toBeDefined()
+  expect(rng4.rng.name).toEqual('arc4')
 })
 
 test('random seed consistency', () => {