diff --git a/src/repository/hsqldb/transaction/HSQLDBCreateOrderTransactionRepository.java b/src/repository/hsqldb/transaction/HSQLDBCreateOrderTransactionRepository.java
index a0f8ccc4..8bff6dcb 100644
--- a/src/repository/hsqldb/transaction/HSQLDBCreateOrderTransactionRepository.java
+++ b/src/repository/hsqldb/transaction/HSQLDBCreateOrderTransactionRepository.java
@@ -13,7 +13,7 @@ import repository.hsqldb.HSQLDBSaver;
 public class HSQLDBCreateOrderTransactionRepository extends HSQLDBTransactionRepository {
 
 	public HSQLDBCreateOrderTransactionRepository(HSQLDBRepository repository) {
-		super(repository);
+		this.repository = repository;
 	}
 
 	TransactionData fromBase(byte[] signature, byte[] reference, byte[] creatorPublicKey, long timestamp, BigDecimal fee) throws DataException {
diff --git a/src/repository/hsqldb/transaction/HSQLDBGenesisTransactionRepository.java b/src/repository/hsqldb/transaction/HSQLDBGenesisTransactionRepository.java
index 63a7cb59..d5a22621 100644
--- a/src/repository/hsqldb/transaction/HSQLDBGenesisTransactionRepository.java
+++ b/src/repository/hsqldb/transaction/HSQLDBGenesisTransactionRepository.java
@@ -13,7 +13,7 @@ import repository.hsqldb.HSQLDBSaver;
 public class HSQLDBGenesisTransactionRepository extends HSQLDBTransactionRepository {
 
 	public HSQLDBGenesisTransactionRepository(HSQLDBRepository repository) {
-		super(repository);
+		this.repository = repository;
 	}
 
 	TransactionData fromBase(byte[] signature, byte[] reference, byte[] creatorPublicKey, long timestamp, BigDecimal fee) throws DataException {
diff --git a/src/repository/hsqldb/transaction/HSQLDBIssueAssetTransactionRepository.java b/src/repository/hsqldb/transaction/HSQLDBIssueAssetTransactionRepository.java
index 3ec1c5ca..b39918ad 100644
--- a/src/repository/hsqldb/transaction/HSQLDBIssueAssetTransactionRepository.java
+++ b/src/repository/hsqldb/transaction/HSQLDBIssueAssetTransactionRepository.java
@@ -13,7 +13,7 @@ import repository.hsqldb.HSQLDBSaver;
 public class HSQLDBIssueAssetTransactionRepository extends HSQLDBTransactionRepository {
 
 	public HSQLDBIssueAssetTransactionRepository(HSQLDBRepository repository) {
-		super(repository);
+		this.repository = repository;
 	}
 
 	TransactionData fromBase(byte[] signature, byte[] reference, byte[] creatorPublicKey, long timestamp, BigDecimal fee) throws DataException {
diff --git a/src/repository/hsqldb/transaction/HSQLDBMessageTransactionRepository.java b/src/repository/hsqldb/transaction/HSQLDBMessageTransactionRepository.java
index 35b76321..218305cc 100644
--- a/src/repository/hsqldb/transaction/HSQLDBMessageTransactionRepository.java
+++ b/src/repository/hsqldb/transaction/HSQLDBMessageTransactionRepository.java
@@ -13,7 +13,7 @@ import repository.hsqldb.HSQLDBSaver;
 public class HSQLDBMessageTransactionRepository extends HSQLDBTransactionRepository {
 
 	public HSQLDBMessageTransactionRepository(HSQLDBRepository repository) {
-		super(repository);
+		this.repository = repository;
 	}
 
 	TransactionData fromBase(byte[] signature, byte[] reference, byte[] creatorPublicKey, long timestamp, BigDecimal fee) throws DataException {
diff --git a/src/repository/hsqldb/transaction/HSQLDBPaymentTransactionRepository.java b/src/repository/hsqldb/transaction/HSQLDBPaymentTransactionRepository.java
index bf1bbfcb..fc36f5a0 100644
--- a/src/repository/hsqldb/transaction/HSQLDBPaymentTransactionRepository.java
+++ b/src/repository/hsqldb/transaction/HSQLDBPaymentTransactionRepository.java
@@ -13,7 +13,7 @@ import repository.hsqldb.HSQLDBSaver;
 public class HSQLDBPaymentTransactionRepository extends HSQLDBTransactionRepository {
 
 	public HSQLDBPaymentTransactionRepository(HSQLDBRepository repository) {
-		super(repository);
+		this.repository = repository;
 	}
 
 	TransactionData fromBase(byte[] signature, byte[] reference, byte[] creatorPublicKey, long timestamp, BigDecimal fee) throws DataException {
diff --git a/src/repository/hsqldb/transaction/HSQLDBTransactionRepository.java b/src/repository/hsqldb/transaction/HSQLDBTransactionRepository.java
index ab0402f2..f6ebef3d 100644
--- a/src/repository/hsqldb/transaction/HSQLDBTransactionRepository.java
+++ b/src/repository/hsqldb/transaction/HSQLDBTransactionRepository.java
@@ -31,6 +31,9 @@ public class HSQLDBTransactionRepository implements TransactionRepository {
 		this.messageTransactionRepository = new HSQLDBMessageTransactionRepository(repository);
 	}
 
+	protected HSQLDBTransactionRepository() {
+	}
+
 	public TransactionData fromSignature(byte[] signature) throws DataException {
 		try {
 			ResultSet rs = this.repository.checkedExecute("SELECT type, reference, creator, creation, fee FROM Transactions WHERE signature = ?", signature);