diff --git a/src/test/java/org/biscuitsec/biscuit/token/SamplesTest.java b/src/test/java/org/biscuitsec/biscuit/token/SamplesTest.java
index 0be2173c..776dd93d 100644
--- a/src/test/java/org/biscuitsec/biscuit/token/SamplesTest.java
+++ b/src/test/java/org/biscuitsec/biscuit/token/SamplesTest.java
@@ -75,7 +75,7 @@ Biscuit compareBlock(KeyPair root, Option<Biscuit> sampleToken, long sampleBlock
             newSampleToken = builder.build();
         } else {
             Biscuit s = sampleToken.get();
-            newSampleToken = s.attenuate(outputSample.get());
+            newSampleToken = s.attenuate(outputSample.get(), Schema.PublicKey.Algorithm.Ed25519);
         }
 
         org.biscuitsec.biscuit.token.Block generatedSampleBlock;