diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 612eb91eafd8e9f3c1cce58e960a836f214d187a..0170179c2ea3c3c33cae09b7c3c92070ba543ba0 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -14849,12 +14849,6 @@ qemuDomainGetBlockIoTune(virDomainPtr dom,
         goto cleanup;
     }
 
-    device = qemuDiskPathToAlias(vm, disk, NULL);
-
-    if (!device) {
-        goto cleanup;
-    }
-
     if (qemuDomainObjBeginJob(driver, vm, QEMU_JOB_MODIFY) < 0)
         goto cleanup;
 
@@ -14862,6 +14856,11 @@ qemuDomainGetBlockIoTune(virDomainPtr dom,
                                         &persistentDef) < 0)
         goto endjob;
 
+    device = qemuDiskPathToAlias(vm, disk, NULL);
+    if (!device) {
+        goto endjob;
+    }
+
     if (flags & VIR_DOMAIN_AFFECT_LIVE) {
         priv = vm->privateData;
         qemuDomainObjEnterMonitor(driver, vm);