diff --git a/consensus/src/main/java/org/ethereum/beacon/consensus/spec/EpochProcessing.java b/consensus/src/main/java/org/ethereum/beacon/consensus/spec/EpochProcessing.java
index ac816272b..e007069c1 100644
--- a/consensus/src/main/java/org/ethereum/beacon/consensus/spec/EpochProcessing.java
+++ b/consensus/src/main/java/org/ethereum/beacon/consensus/spec/EpochProcessing.java
@@ -131,7 +131,7 @@ default Pair<Crosslink, List<ValidatorIndex>> get_winning_crosslink_and_attestin
           Gwei b2 = get_attesting_balance(state,
               attestations.stream().filter(a -> a.getData().getCrosslink().equals(c2)).collect(toList()));
           if (b1.equals(b2)) {
-            return c1.getDataRoot().toString().compareTo(c2.getDataRoot().toString());
+            return c1.getDataRoot().compareTo(c2.getDataRoot());
           } else {
             return b1.compareTo(b2);
           }