1 files changed, 4 insertions, 4 deletions
diff --git a/cli/ops/random.rs b/cli/ops/random.rs
index 874887cdb..b29c761b8 100644
--- a/cli/ops/random.rs
+++ b/cli/ops/random.rs
@@ -17,15 +17,15 @@ pub fn init(i: &mut CoreIsolate, s: &State) {
 fn op_get_random_values(
   state: &State,
   _args: Value,
-  zero_copy: Option<ZeroCopyBuf>,
+  zero_copy: &mut [ZeroCopyBuf],
 ) -> Result<JsonOp, OpError> {
-  assert!(zero_copy.is_some());
+  assert_eq!(zero_copy.len(), 1);
 
   if let Some(ref mut seeded_rng) = state.borrow_mut().seeded_rng {
-    seeded_rng.fill(&mut zero_copy.unwrap()[..]);
+    seeded_rng.fill(&mut *zero_copy[0]);
   } else {
     let mut rng = thread_rng();
-    rng.fill(&mut zero_copy.unwrap()[..]);
+    rng.fill(&mut *zero_copy[0]);
   }
 
   Ok(JsonOp::Sync(json!({})))