diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index f0e59344a03a2733568fa407b0a78ac33f80e1a8..a6ecda3976adde20d25f0a1663046e070b82ff14 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -6441,6 +6441,9 @@ void qemuProcessStop(virQEMUDriverPtr driver,
     virDomainUSBAddressSetFree(priv->usbaddrs);
     priv->usbaddrs = NULL;
 
+    /* clean up migration data */
+    VIR_FREE(priv->migTLSAlias);
+
     /* The "release" hook cleans up additional resources */
     if (virHookPresent(VIR_HOOK_DRIVER_QEMU)) {
         char *xml = qemuDomainDefFormatXML(driver, vm->def, 0);