diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 1a510693d3..af63a5d813 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -8348,6 +8348,7 @@ static int qemudDomainDetachSCSIDiskDevice(struct qemud_driver *driver,
     ret = 0;
 
 cleanup:
+    virCgroupFree(&cgroup);
     return ret;
 }