diff --git a/node/src/integration-test/kotlin/net/corda/node/services/AttachmentLoadingTests.kt b/node/src/integration-test/kotlin/net/corda/node/services/AttachmentLoadingTests.kt
index 0d6bc46545..ecbe731158 100644
--- a/node/src/integration-test/kotlin/net/corda/node/services/AttachmentLoadingTests.kt
+++ b/node/src/integration-test/kotlin/net/corda/node/services/AttachmentLoadingTests.kt
@@ -124,10 +124,12 @@ class AttachmentLoadingTests : TestDependencyInjectionBase() {
 
     private fun DriverDSLExposedInterface.createTwoNodesAndNotary(): List<NodeHandle> {
         val adminUser = User("admin", "admin", permissions = setOf("ALL"))
-        return listOf(
+        val nodes = listOf(
                 startNode(providedName = bankAName, rpcUsers = listOf(adminUser)),
                 startNode(providedName = bankBName, rpcUsers = listOf(adminUser)),
                 startNode(providedName = notaryName, rpcUsers = listOf(adminUser), advertisedServices = setOf(ServiceInfo(SimpleNotaryService.type)))
         ).transpose().getOrThrow()   // Wait for all nodes to start up.
+        nodes.forEach { it.rpc.waitUntilNetworkReady() }
+        return nodes
     }
 }