diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index e1ad24341d..388af4f6fd 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -10265,7 +10265,7 @@ qemuDomainGetSchedulerParametersFlags(virDomainPtr dom,
 {
     virQEMUDriverPtr driver = dom->conn->privateData;
     virDomainObjPtr vm = NULL;
-    virDomainCputune data;
+    virDomainCputune data = {0};
     int ret = -1;
     bool cpu_bw_status = true;
     virDomainDefPtr persistentDef;