diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index efc91dc5a6f6f383200e033ddcb5f97de65e01ac..31cf011e9af76a2c0ec7c07bc4b1800ddce063a5 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -14773,12 +14773,6 @@ qemuDomainGetBlockIoTune(virDomainPtr dom,
         goto cleanup;
     }
 
-    device = qemuDiskPathToAlias(vm, disk, NULL);
-
-    if (!device) {
-        goto cleanup;
-    }
-
     if (qemuDomainObjBeginJob(driver, vm, QEMU_JOB_MODIFY) < 0)
         goto cleanup;
 
@@ -14786,6 +14780,11 @@ 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);