diff --git a/src/main/java/org/qortal/data/chat/ChatMessage.java b/src/main/java/org/qortal/data/chat/ChatMessage.java
index 483bf303..b2c2f571 100644
--- a/src/main/java/org/qortal/data/chat/ChatMessage.java
+++ b/src/main/java/org/qortal/data/chat/ChatMessage.java
@@ -12,6 +12,8 @@ public class ChatMessage {
 
 	private int txGroupId;
 
+	private byte[] reference;
+
 	private byte[] senderPublicKey;
 
 	/* Address of sender */
@@ -37,10 +39,12 @@ public class ChatMessage {
 	}
 
 	// For repository use
-	public ChatMessage(long timestamp, int txGroupId, byte[] senderPublicKey, String sender, String senderName,
-			String recipient, String recipientName, byte[] data, boolean isText, boolean isEncrypted) {
+	public ChatMessage(long timestamp, int txGroupId, byte[] reference, byte[] senderPublicKey, String sender,
+			String senderName, String recipient, String recipientName, byte[] data, boolean isText,
+			boolean isEncrypted) {
 		this.timestamp = timestamp;
 		this.txGroupId = txGroupId;
+		this.reference = reference;
 		this.senderPublicKey = senderPublicKey;
 		this.sender = sender;
 		this.senderName = senderName;
@@ -59,6 +63,10 @@ public class ChatMessage {
 		return this.txGroupId;
 	}
 
+	public byte[] getReference() {
+		return this.reference;
+	}
+
 	public byte[] getSenderPublicKey() {
 		return this.senderPublicKey;
 	}
diff --git a/src/main/java/org/qortal/repository/hsqldb/HSQLDBChatRepository.java b/src/main/java/org/qortal/repository/hsqldb/HSQLDBChatRepository.java
index 8a3a5fc3..144cd3a0 100644
--- a/src/main/java/org/qortal/repository/hsqldb/HSQLDBChatRepository.java
+++ b/src/main/java/org/qortal/repository/hsqldb/HSQLDBChatRepository.java
@@ -32,8 +32,9 @@ public class HSQLDBChatRepository implements ChatRepository {
 
 		StringBuilder sql = new StringBuilder(1024);
 
-		sql.append("SELECT created_when, tx_group_id, creator, sender, SenderNames.name, "
-				+ "recipient, RecipientNames.name, data, is_text, is_encrypted "
+		sql.append("SELECT created_when, tx_group_id, Transactions.reference, creator, "
+				+ "sender, SenderNames.name, recipient, RecipientNames.name, "
+				+ "data, is_text, is_encrypted "
 				+ "FROM ChatTransactions "
 				+ "JOIN Transactions USING (signature) "
 				+ "LEFT OUTER JOIN Names AS SenderNames ON SenderNames.owner = sender "
@@ -90,17 +91,18 @@ public class HSQLDBChatRepository implements ChatRepository {
 			do {
 				long timestamp = resultSet.getLong(1);
 				int groupId = resultSet.getInt(2);
-				byte[] senderPublicKey = resultSet.getBytes(3);
-				String sender = resultSet.getString(4);
-				String senderName = resultSet.getString(5);
-				String recipient = resultSet.getString(6);
-				String recipientName = resultSet.getString(7);
-				byte[] data = resultSet.getBytes(8);
-				boolean isText = resultSet.getBoolean(9);
-				boolean isEncrypted = resultSet.getBoolean(10);
+				byte[] reference = resultSet.getBytes(3);
+				byte[] senderPublicKey = resultSet.getBytes(4);
+				String sender = resultSet.getString(5);
+				String senderName = resultSet.getString(6);
+				String recipient = resultSet.getString(7);
+				String recipientName = resultSet.getString(8);
+				byte[] data = resultSet.getBytes(9);
+				boolean isText = resultSet.getBoolean(10);
+				boolean isEncrypted = resultSet.getBoolean(11);
 
-				ChatMessage chatMessage = new ChatMessage(timestamp, groupId, senderPublicKey, sender, senderName,
-						recipient, recipientName, data, isText, isEncrypted);
+				ChatMessage chatMessage = new ChatMessage(timestamp, groupId, reference, senderPublicKey, sender,
+						senderName, recipient, recipientName, data, isText, isEncrypted);
 
 				chatMessages.add(chatMessage);
 			} while (resultSet.next());