diff --git a/testing/node-driver/src/main/kotlin/net/corda/testing/driver/Driver.kt b/testing/node-driver/src/main/kotlin/net/corda/testing/driver/Driver.kt
index 05ee5fecfa..3ab407892e 100644
--- a/testing/node-driver/src/main/kotlin/net/corda/testing/driver/Driver.kt
+++ b/testing/node-driver/src/main/kotlin/net/corda/testing/driver/Driver.kt
@@ -319,18 +319,18 @@ data class DriverParameters(
             jmxPolicy: JmxPolicy,
             networkParameters: NetworkParameters
     ) = this.copy(
-            isDebug,
-            driverDirectory,
-            portAllocation,
-            debugPortAllocation,
-            systemProperties,
-            useTestClock,
-            true,
-            startNodesInProcess,
-            waitForAllNodesToFinish,
-            notarySpecs,
-            extraCordappPackagesToScan,
-            jmxPolicy,
-            networkParameters, emptyMap()
+            isDebug = isDebug,
+            driverDirectory = driverDirectory,
+            portAllocation = portAllocation,
+            debugPortAllocation = debugPortAllocation,
+            systemProperties = systemProperties,
+            useTestClock = useTestClock,
+            initialiseSerialization = true,
+            startNodesInProcess = startNodesInProcess,
+            waitForAllNodesToFinish = waitForAllNodesToFinish,
+            notarySpecs = notarySpecs,
+            extraCordappPackagesToScan = extraCordappPackagesToScan,
+            jmxPolicy = jmxPolicy,
+            networkParameters = networkParameters, notaryCustomOverrides = emptyMap()
     )
 }