diff --git a/src/main/java/org/qortal/controller/arbitrary/ArbitraryDataManager.java b/src/main/java/org/qortal/controller/arbitrary/ArbitraryDataManager.java
index 4157c363..3afba772 100644
--- a/src/main/java/org/qortal/controller/arbitrary/ArbitraryDataManager.java
+++ b/src/main/java/org/qortal/controller/arbitrary/ArbitraryDataManager.java
@@ -369,12 +369,12 @@ public class ArbitraryDataManager extends Thread {
 		try (final Repository repository = RepositoryManager.getRepository()) {
 			List<ArbitraryTransactionData> hostedTransactions = ArbitraryDataStorageManager.getInstance().listAllHostedTransactions(repository);
 			List<byte[]> hostedSignatures = hostedTransactions.stream().map(ArbitraryTransactionData::getSignature).collect(Collectors.toList());
-
-			// Broadcast the list, using null to represent our peer address
-			LOGGER.info("Broadcasting list of hosted signatures...");
-			Message arbitrarySignatureMessage = new ArbitrarySignaturesMessage(null, 0, hostedSignatures);
-			Network.getInstance().broadcast(broadcastPeer -> arbitrarySignatureMessage);
-
+			if (!hostedSignatures.isEmpty()) {
+				// Broadcast the list, using null to represent our peer address
+				LOGGER.info("Broadcasting list of hosted signatures...");
+				Message arbitrarySignatureMessage = new ArbitrarySignaturesMessage(null, 0, hostedSignatures);
+				Network.getInstance().broadcast(broadcastPeer -> arbitrarySignatureMessage);
+			}
 		} catch (DataException e) {
 			LOGGER.error("Repository issue when fetching arbitrary transaction data for broadcast", e);
 		}