diff --git a/src/main/java/nl/nn/testtool/Config.java b/src/main/java/nl/nn/testtool/Config.java
index 0599af1a..898ca5ca 100644
--- a/src/main/java/nl/nn/testtool/Config.java
+++ b/src/main/java/nl/nn/testtool/Config.java
@@ -27,7 +27,9 @@
 import org.springframework.context.annotation.Lazy;
 import org.springframework.context.annotation.Scope;
 import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.datasource.DataSourceTransactionManager;
 import org.springframework.jdbc.datasource.SimpleDriverDataSource;
+import org.springframework.transaction.TransactionManager;
 
 import io.quarkus.arc.DefaultBean;
 import nl.nn.testtool.echo2.ComparePane;
@@ -229,6 +231,14 @@ DataSource dataSource() {
 		return new SimpleDriverDataSource();
 	}
 
+	@Bean
+	@Scope("prototype")
+	TransactionManager transactionManager(DataSource dataSource) {
+		DataSourceTransactionManager transactionManager = new DataSourceTransactionManager();
+		transactionManager.setDataSource(dataSource);
+		return transactionManager;
+	}
+
 	@Bean
 	@Scope("prototype")
 	JdbcTemplate jdbcTemplate(DataSource dataSource) {
diff --git a/src/main/java/nl/nn/testtool/storage/database/DatabaseStorage.java b/src/main/java/nl/nn/testtool/storage/database/DatabaseStorage.java
index b3e7bf9e..adc083cb 100644
--- a/src/main/java/nl/nn/testtool/storage/database/DatabaseStorage.java
+++ b/src/main/java/nl/nn/testtool/storage/database/DatabaseStorage.java
@@ -40,6 +40,8 @@
 import org.springframework.dao.DataAccessException;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.jdbc.core.PreparedStatementSetter;
+import org.springframework.transaction.annotation.EnableTransactionManagement;
+import org.springframework.transaction.annotation.Transactional;
 
 import lombok.Getter;
 import lombok.Setter;
@@ -57,6 +59,15 @@
 /**
  * @author Jaco de Groot
  */
+// With transaction manager configured auto-commit is disabled and PostgreSQL will not throw the following exception
+// on insert of a report: org.postgresql.util.PSQLException: Large Objects may not be used in auto-commit mode.
+// Without proxyTargetClass = true the test webapp will give: Bean named 'proofOfMigrationStorage' is expected to be of
+// type 'nl.nn.testtool.storage.proofofmigration.ProofOfMigrationStorage' but was actually of type 'jdk.proxy3.$Proxy26'
+// It would also be possible to set auto-commit to false on Connection(Pool) or DataSource level but then still a
+// transaction manger needs to be configured for JdbcTemplate to commit changes. Otherwise everything seems to be
+// working fine (logging shows insert query) but no data appears in database and debug tab.
+@EnableTransactionManagement(proxyTargetClass = true)
+@Transactional
 // @Dependent disabled for Quarkus for now because of the use of JdbcTemplate
 public class DatabaseStorage implements LogStorage, CrudStorage {
 	private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());