diff --git a/src/v1/internal/transaction-executor.js b/src/v1/internal/transaction-executor.js
index cc307078a..6e6672c01 100644
--- a/src/v1/internal/transaction-executor.js
+++ b/src/v1/internal/transaction-executor.js
@@ -17,7 +17,12 @@
  * limitations under the License.
  */
 
-import { newError, Neo4jError, SERVICE_UNAVAILABLE, SESSION_EXPIRED } from '../error'
+import {
+  newError,
+  Neo4jError,
+  SERVICE_UNAVAILABLE,
+  SESSION_EXPIRED
+} from '../error'
 
 const DEFAULT_MAX_RETRY_TIME_MS = 30 * 1000 // 30 seconds
 const DEFAULT_INITIAL_RETRY_DELAY_MS = 1000 // 1 seconds
diff --git a/test/internal/transaction-executor.test.js b/test/internal/transaction-executor.test.js
index f4f6c929f..28b706bf0 100644
--- a/test/internal/transaction-executor.test.js
+++ b/test/internal/transaction-executor.test.js
@@ -91,6 +91,23 @@ describe('TransactionExecutor', () => {
     testNoRetryOnUnknownError([LOCKS_TERMINATED_ERROR], 1, done)
   })
 
+  it('should not retry when transaction work returns promise rejected with unknown error type', async () => {
+    class MyTestError extends Error {
+      constructor (message, code) {
+        super(message)
+        this.code = code
+      }
+    }
+
+    const error = new MyTestError('an unexpected error', 504)
+    const executor = new TransactionExecutor()
+    const realWork = () => Promise.reject(error)
+
+    await expectAsync(
+      executor.execute(transactionCreator(), tx => realWork())
+    ).toBeRejectedWith(error)
+  })
+
   it('should stop retrying when time expires', done => {
     const executor = new TransactionExecutor()
     const usedTransactions = []
diff --git a/test/resources/boltstub/acquire_endpoints_old_routing_procedure.script b/test/resources/boltstub/acquire_endpoints_old_routing_procedure.script
index 9846be014..2a9db896f 100644
--- a/test/resources/boltstub/acquire_endpoints_old_routing_procedure.script
+++ b/test/resources/boltstub/acquire_endpoints_old_routing_procedure.script
@@ -1,3 +1,4 @@
+!: BOLT 1
 !: AUTO RESET
 !: AUTO PULL_ALL
 
diff --git a/test/resources/boltstub/rediscover_and_read_with_init.script b/test/resources/boltstub/rediscover_and_read_with_init.script
index c2ce54c6f..9c2c0245b 100644
--- a/test/resources/boltstub/rediscover_and_read_with_init.script
+++ b/test/resources/boltstub/rediscover_and_read_with_init.script
@@ -1,3 +1,4 @@
+!: BOLT 1
 !: AUTO INIT
 !: AUTO RESET
 !: AUTO PULL_ALL
diff --git a/test/types/index.test.ts b/test/types/index.test.ts
index 6ba5653cd..12579c7c4 100644
--- a/test/types/index.test.ts
+++ b/test/types/index.test.ts
@@ -25,6 +25,16 @@ const driver2: neo4j.Driver = neo4j.driver(
   neo4j.auth.basic('neo4j', 'password')
 )
 
+const address1 = 'db-1.internal:7687'
+const address2 = 'db-2.internal:7687'
+const driver3: neo4j.Driver = neo4j.driver(
+  'bolt://localhost',
+  neo4j.auth.basic('neo4j', 'password'),
+  {
+    resolver: address => Promise.resolve([address1, address2])
+  }
+)
+
 const sessionModeRead: string = neo4j.session.READ
 const sessionModeWrite: string = neo4j.session.WRITE
 
diff --git a/types/v1/driver.d.ts b/types/v1/driver.d.ts
index 3a18e493c..2b9199c3a 100644
--- a/types/v1/driver.d.ts
+++ b/types/v1/driver.d.ts
@@ -63,6 +63,7 @@ declare interface Config {
   connectionTimeout?: number
   disableLosslessIntegers?: boolean
   logging?: LoggingConfig
+  resolver?: (address: string) => string[] | Promise<string[]>
 }
 
 declare type SessionMode = 'READ' | 'WRITE'