diff --git a/tests/qtest/libqos/virtio-9p.c b/tests/qtest/libqos/virtio-9p.c
index 9f099737f9..1bda5403ff 100644
--- a/tests/qtest/libqos/virtio-9p.c
+++ b/tests/qtest/libqos/virtio-9p.c
@@ -62,10 +62,10 @@ static void virtio_9p_device_start_hw(QOSGraphObject *obj)
 static void *virtio_9p_get_driver(QVirtio9P *v_9p,
                                          const char *interface)
 {
-    if (!g_strcmp0(interface, "virtio-9p")) {
+    if (!g_strcmp0(interface, "virtio-9p-synth")) {
         return v_9p;
     }
-    if (!g_strcmp0(interface, "virtio")) {
+    if (!g_strcmp0(interface, "virtio-synth")) {
         return v_9p->vdev;
     }
 
@@ -159,22 +159,23 @@ static void virtio_9p_register_nodes(void)
         .before_cmd_line = "-fsdev synth,id=fsdev0",
     };
 
-    /* virtio-9p-device */
+    /* virtio-9p-device-synth */
     opts.extra_device_opts = str_simple,
-    qos_node_create_driver("virtio-9p-device", virtio_9p_device_create);
-    qos_node_consumes("virtio-9p-device", "virtio-bus", &opts);
-    qos_node_produces("virtio-9p-device", "virtio");
-    qos_node_produces("virtio-9p-device", "virtio-9p");
+    qos_node_create_driver_named("virtio-9p-device-synth", "virtio-9p-device",
+                                 virtio_9p_device_create);
+    qos_node_consumes("virtio-9p-device-synth", "virtio-bus", &opts);
+    qos_node_produces("virtio-9p-device-synth", "virtio-synth");
+    qos_node_produces("virtio-9p-device-synth", "virtio-9p-synth");
 
-    /* virtio-9p-pci */
+    /* virtio-9p-pci-synth */
     opts.extra_device_opts = str_addr;
     add_qpci_address(&opts, &addr);
-    qos_node_create_driver("virtio-9p-pci", virtio_9p_pci_create);
-    qos_node_consumes("virtio-9p-pci", "pci-bus", &opts);
-    qos_node_produces("virtio-9p-pci", "pci-device");
-    qos_node_produces("virtio-9p-pci", "virtio");
-    qos_node_produces("virtio-9p-pci", "virtio-9p");
-
+    qos_node_create_driver_named("virtio-9p-pci-synth", "virtio-9p-pci",
+                                 virtio_9p_pci_create);
+    qos_node_consumes("virtio-9p-pci-synth", "pci-bus", &opts);
+    qos_node_produces("virtio-9p-pci-synth", "pci-device");
+    qos_node_produces("virtio-9p-pci-synth", "virtio-synth");
+    qos_node_produces("virtio-9p-pci-synth", "virtio-9p-synth");
 }
 
 libqos_init(virtio_9p_register_nodes);
diff --git a/tests/qtest/virtio-9p-test.c b/tests/qtest/virtio-9p-test.c
index f7505396f3..d46d675309 100644
--- a/tests/qtest/virtio-9p-test.c
+++ b/tests/qtest/virtio-9p-test.c
@@ -897,27 +897,27 @@ static void fs_readdir_split_512(void *obj, void *data,
 
 static void register_virtio_9p_test(void)
 {
-    qos_add_test("config", "virtio-9p", pci_config, NULL);
-    qos_add_test("fs/version/basic", "virtio-9p", fs_version, NULL);
-    qos_add_test("fs/attach/basic", "virtio-9p", fs_attach, NULL);
-    qos_add_test("fs/walk/basic", "virtio-9p", fs_walk, NULL);
-    qos_add_test("fs/walk/no_slash", "virtio-9p", fs_walk_no_slash,
+    /* selects the 9pfs 'synth' filesystem driver for the respective test */
+    const char *synth_driver = "virtio-9p-synth";
+
+    qos_add_test("config", synth_driver, pci_config, NULL);
+    qos_add_test("fs/version/basic", synth_driver, fs_version, NULL);
+    qos_add_test("fs/attach/basic", synth_driver, fs_attach, NULL);
+    qos_add_test("fs/walk/basic", synth_driver, fs_walk, NULL);
+    qos_add_test("fs/walk/no_slash", synth_driver, fs_walk_no_slash, NULL);
+    qos_add_test("fs/walk/dotdot_from_root", synth_driver, fs_walk_dotdot,
                  NULL);
-    qos_add_test("fs/walk/dotdot_from_root", "virtio-9p",
-                 fs_walk_dotdot, NULL);
-    qos_add_test("fs/lopen/basic", "virtio-9p", fs_lopen, NULL);
-    qos_add_test("fs/write/basic", "virtio-9p", fs_write, NULL);
-    qos_add_test("fs/flush/success", "virtio-9p", fs_flush_success,
+    qos_add_test("fs/lopen/basic", synth_driver, fs_lopen, NULL);
+    qos_add_test("fs/write/basic", synth_driver, fs_write, NULL);
+    qos_add_test("fs/flush/success", synth_driver, fs_flush_success, NULL);
+    qos_add_test("fs/flush/ignored", synth_driver, fs_flush_ignored, NULL);
+    qos_add_test("fs/readdir/basic", synth_driver, fs_readdir, NULL);
+    qos_add_test("fs/readdir/split_512", synth_driver, fs_readdir_split_512,
                  NULL);
-    qos_add_test("fs/flush/ignored", "virtio-9p", fs_flush_ignored,
+    qos_add_test("fs/readdir/split_256", synth_driver, fs_readdir_split_256,
+                 NULL);
+    qos_add_test("fs/readdir/split_128", synth_driver, fs_readdir_split_128,
                  NULL);
-    qos_add_test("fs/readdir/basic", "virtio-9p", fs_readdir, NULL);
-    qos_add_test("fs/readdir/split_512", "virtio-9p",
-                 fs_readdir_split_512, NULL);
-    qos_add_test("fs/readdir/split_256", "virtio-9p",
-                 fs_readdir_split_256, NULL);
-    qos_add_test("fs/readdir/split_128", "virtio-9p",
-                 fs_readdir_split_128, NULL);
 }
 
 libqos_init(register_virtio_9p_test);
