diff --git a/src/avalanche/processor.h b/src/avalanche/processor.h
--- a/src/avalanche/processor.h
+++ b/src/avalanche/processor.h
@@ -81,7 +81,8 @@
 
 using BlockVoteMap =
     std::map<const CBlockIndex *, VoteRecord, CBlockIndexWorkComparator>;
-using ProofVoteMap = std::map<const ProofRef, VoteRecord, ProofComparator>;
+using ProofVoteMap =
+    std::map<const ProofRef, VoteRecord, ProofComparatorByScore>;
 
 struct query_timeout {};
 
diff --git a/src/avalanche/proofcomparator.h b/src/avalanche/proofcomparator.h
--- a/src/avalanche/proofcomparator.h
+++ b/src/avalanche/proofcomparator.h
@@ -15,7 +15,7 @@
 /**
  * Compare proofs by score, then by id in case of equality.
  */
-struct ProofComparator {
+struct ProofComparatorByScore {
     bool operator()(const Proof &lhs, const Proof &rhs) const {
         uint32_t scoreLhs = lhs.getScore();
         uint32_t scoreRhs = rhs.getScore();
diff --git a/src/avalanche/test/processor_tests.cpp b/src/avalanche/test/processor_tests.cpp
--- a/src/avalanche/test/processor_tests.cpp
+++ b/src/avalanche/test/processor_tests.cpp
@@ -298,7 +298,7 @@
         votes.reserve(numItems);
 
         // Votes are sorted by high score first
-        std::sort(items.begin(), items.end(), ProofComparator());
+        std::sort(items.begin(), items.end(), ProofComparatorByScore());
         for (auto &item : items) {
             votes.emplace_back(error, item->getId());
         }
diff --git a/src/avalanche/test/proofcomparator_tests.cpp b/src/avalanche/test/proofcomparator_tests.cpp
--- a/src/avalanche/test/proofcomparator_tests.cpp
+++ b/src/avalanche/test/proofcomparator_tests.cpp
@@ -25,7 +25,7 @@
     auto proofMinScore = buildRandomProof(MIN_VALID_PROOF_SCORE);
     auto proofMaxScore = buildRandomProof(std::numeric_limits<uint32_t>::max());
 
-    const ProofComparator comparator;
+    const ProofComparatorByScore comparator;
 
     auto prevProof = proofMinScore;
     for (size_t i = 0; i < 100; i++) {