diff --git a/src/lib/proof-system/proof-system.unit-test.ts b/src/lib/proof-system/proof-system.unit-test.ts
index a88acb861..67dfca967 100644
--- a/src/lib/proof-system/proof-system.unit-test.ts
+++ b/src/lib/proof-system/proof-system.unit-test.ts
@@ -67,7 +67,7 @@ it('pickles rule creation', async () => {
     { name: 'mock' },
     methodIntf,
     [],
-    []
+    [EmptyProof]
   );
 
   await equivalentAsync(
@@ -133,7 +133,6 @@ it('pickles rule creation: nested proof', async () => {
   expect(methodIntf).toEqual({
     methodName: 'main',
     args: [NestedProof2],
-    numberOfProofs: 2,
   });
 
   // store compiled tag
@@ -147,7 +146,7 @@ it('pickles rule creation: nested proof', async () => {
     { name: 'mock' },
     methodIntf,
     [],
-    []
+    [EmptyProof, EmptyProof]
   );
 
   let dummy = await EmptyProof.dummy(Field(0), undefined, 0);