diff --git a/src/avalanche/peermanager.cpp b/src/avalanche/peermanager.cpp
--- a/src/avalanche/peermanager.cpp
+++ b/src/avalanche/peermanager.cpp
@@ -283,7 +283,7 @@
         case ProofPool::AddProofStatus::REJECTED:
             // The proof has conflicts, move it to the conflicting proof pool so
             // it can be pulled back if the conflicting ones are invalidated.
-            conflictingProofPool.addProofIfNoConflict(proof);
+            conflictingProofPool.addProofIfPreferred(proof);
             return false;
         case ProofPool::AddProofStatus::DUPLICATED:
             // If the proof was already in the pool, don't duplicate the peer.
diff --git a/src/avalanche/test/peermanager_tests.cpp b/src/avalanche/test/peermanager_tests.cpp
--- a/src/avalanche/test/peermanager_tests.cpp
+++ b/src/avalanche/test/peermanager_tests.cpp
@@ -1013,12 +1013,13 @@
     BOOST_CHECK(pm.isInConflictingPool(proofSeq10->getId()));
 
     // proofSeq20 is a worst candidate than proofSeq30 but a better one than
-    // proogSeq10. However it is not permitted to override a proof in the
-    // conflicting pool so proofSeq20 is rejectd
+    // proogSeq10, so it replaces it in the conflicting pool and proofSeq10 is
+    // evicted.
     BOOST_CHECK(!pm.registerProof(proofSeq20));
     BOOST_CHECK(pm.isBoundToPeer(proofSeq30->getId()));
-    BOOST_CHECK(pm.isInConflictingPool(proofSeq10->getId()));
-    BOOST_CHECK(!pm.exists(proofSeq20->getId()));
+    BOOST_CHECK(!pm.isBoundToPeer(proofSeq20->getId()));
+    BOOST_CHECK(pm.isInConflictingPool(proofSeq20->getId()));
+    BOOST_CHECK(!pm.exists(proofSeq10->getId()));
 }
 
 BOOST_AUTO_TEST_SUITE_END()