diff --git a/lib/src/arbiter.dart b/lib/src/arbiter.dart
index eed5a25f..32999893 100644
--- a/lib/src/arbiter.dart
+++ b/lib/src/arbiter.dart
@@ -100,7 +100,7 @@ class RoundRobinArbiter extends Arbiter {
         // Example:
         // [_grants] [requestMask]
         // 00001000   11110000
-        CaseZ(_grants.rswizzle(), conditionalType: ConditionalType.unique, [
+        Case(_grants.rswizzle(), conditionalType: ConditionalType.unique, [
           for (var i = 0; i < count; i++)
             CaseItem(
                 Const(LogicValue.filled(count, LogicValue.zero)