diff --git a/src/main/java/org/qortal/repository/BlockArchiveWriter.java b/src/main/java/org/qortal/repository/BlockArchiveWriter.java
index 2eb4c6a6..1799f3c4 100644
--- a/src/main/java/org/qortal/repository/BlockArchiveWriter.java
+++ b/src/main/java/org/qortal/repository/BlockArchiveWriter.java
@@ -80,7 +80,7 @@ public class BlockArchiveWriter {
      * @param repository
      */
     public BlockArchiveWriter(int startHeight, int endHeight, Repository repository) {
-        this(startHeight, endHeight, 2, Paths.get(Settings.getInstance().getRepositoryPath(), "archive"), repository);
+        this(startHeight, endHeight, Settings.getInstance().getArchiveVersion(), Paths.get(Settings.getInstance().getRepositoryPath(), "archive"), repository);
     }
 
     public static int getMaxArchiveHeight(Repository repository) throws DataException {
diff --git a/src/main/java/org/qortal/settings/Settings.java b/src/main/java/org/qortal/settings/Settings.java
index ae5dc173..52b3aed5 100644
--- a/src/main/java/org/qortal/settings/Settings.java
+++ b/src/main/java/org/qortal/settings/Settings.java
@@ -178,6 +178,8 @@ public class Settings {
 	private boolean archiveEnabled = true;
 	/** How often to attempt archiving (ms). */
 	private long archiveInterval = 7171L; // milliseconds
+	/** Serialization version to use when building an archive */
+	private int archiveVersion = 1;
 
 
 	/** Whether to automatically bootstrap instead of syncing from genesis */
@@ -926,6 +928,10 @@ public class Settings {
 		return this.archiveInterval;
 	}
 
+	public int getArchiveVersion() {
+		return this.archiveVersion;
+	}
+
 
 	public boolean getBootstrap() {
 		return this.bootstrap;