diff --git a/rune/Rune.test.ts b/rune/Rune.test.ts
index 07d46e7bf..c2e8df93e 100644
--- a/rune/Rune.test.ts
+++ b/rune/Rune.test.ts
@@ -265,7 +265,7 @@ Deno.test("match abc", async () => {
         .when(is("a"), (x) => x.access("a"))
         .when(is("b"), (x) => x.access("b"))
         .else((x) => x.access("c"))
-    ).run()
+    ).run(new Scope())
     assertEquals(+result, 0)
   }
 })
@@ -285,7 +285,7 @@ Deno.test("match u", async () => {
         )
       )
       .rehandle(is(String))
-      .run(),
+      .run(new Scope()),
     "hello",
   )
 })
diff --git a/rune/ValueRune.ts b/rune/ValueRune.ts
index af26940de..ea5331835 100644
--- a/rune/ValueRune.ts
+++ b/rune/ValueRune.ts
@@ -181,14 +181,14 @@ class RunMatch<M, T, U> extends Run<T, U> {
   value
   conditions
   constructor(
-    batch: Batch,
+    scope: Scope,
     child: Rune<M, never>,
     conditions: [(x: M) => boolean, ValueRune<T, U>][],
   ) {
-    super(batch)
-    this.value = batch.prime(child, this.signal)
+    super(scope)
+    this.value = scope.prime(child, this.signal)
     this.conditions = conditions.map(([cond, val]) =>
-      [cond, batch.prime(val, this.signal)] as const
+      [cond, scope.prime(val, this.signal)] as const
     )
   }