diff --git a/tools/virsh-domain-monitor.c b/tools/virsh-domain-monitor.c
index d87475f6f6d9ff67ffd56b8742a31fddee0db3c5..d2b7e5a0597f0f24e5c4f70db6d6e85970d250b8 100644
--- a/tools/virsh-domain-monitor.c
+++ b/tools/virsh-domain-monitor.c
@@ -1229,6 +1229,8 @@ cmdDomBlkError(vshControl *ctl, const vshCmd *cmd)
     ret = true;
 
  cleanup:
+    for (i = 0; i < count; i++)
+        VIR_FREE(disks[i].disk);
     VIR_FREE(disks);
     virshDomainFree(dom);
     return ret;