diff --git a/rskj-core/src/main/java/co/rsk/core/bc/ReadWrittenKeysTracker.java b/rskj-core/src/main/java/co/rsk/core/bc/ReadWrittenKeysTracker.java
index 1a99e0a72d1..1d1cc30737b 100644
--- a/rskj-core/src/main/java/co/rsk/core/bc/ReadWrittenKeysTracker.java
+++ b/rskj-core/src/main/java/co/rsk/core/bc/ReadWrittenKeysTracker.java
@@ -96,7 +96,7 @@ public boolean detectCollision() {
             Set<ByteArrayWrapper> baseWrittenKeys = writtenKeysByThread.getOrDefault(threadId, new HashSet<>());
 
             for (Long threadId2 : threads) {
-                if (threadId.equals(threadId2)) {
+                if (threadId >= threadId2) {
                     continue;
                 }