diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 51d4830a77bbc3224a955f2faed52ec7f0cb4a88..b95ba7e781136492e805912b3045a01e4541a345 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -1722,6 +1722,7 @@ qemuDomainDefPostParse(virDomainDefPtr def,
     ret = 0;
  cleanup:
     virObjectUnref(qemuCaps);
+    virObjectUnref(cfg);
     return ret;
 }