diff --git a/CHANGES.txt b/CHANGES.txt
index 740d8e3419..df13e6abec 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -17,7 +17,6 @@
  * Fix repair -snapshot not working (CASSANDRA-5512)
  * Set isRunning flag later in binary protocol server (CASSANDRA-5467)
  * Fix use of CQL3 functions with descending clustering order (CASSANDRA-5472)
- * Prevent repair when protocol version does not match (CASSANDRA-5523)
  * Disallow renaming columns one at a time for thrift table in CQL3
    (CASSANDRA-5531)
  * cqlsh: add CLUSTERING ORDER BY support to DESCRIBE (CASSANDRA-5528)
diff --git a/src/java/org/apache/cassandra/service/AntiEntropyService.java b/src/java/org/apache/cassandra/service/AntiEntropyService.java
index f41089e8d8..eafab67c6a 100644
--- a/src/java/org/apache/cassandra/service/AntiEntropyService.java
+++ b/src/java/org/apache/cassandra/service/AntiEntropyService.java
@@ -668,13 +668,10 @@ public class AntiEntropyService
                     throw new IOException(message);
                 }
 
-                // All endpoints should be on the same protocol version
-                if (!MessagingService.instance().knowsVersion(endpoint) || MessagingService.instance().getVersion(endpoint) != MessagingService.current_version)
+                if (MessagingService.instance().getVersion(endpoint) < MessagingService.VERSION_11 && isSequential)
                 {
-                    String message = "Cannot repair among different protocol versions";
-                    differencingDone.signalAll();
-                    logger.error(String.format("[repair #%s] ", getName()) + message);
-                    throw new IOException(message);
+                    logger.info(String.format("[repair #%s] Cannot repair using snapshots as node %s is pre-1.1", getName(), endpoint));
+                    return;
                 }
             }