diff --git a/src/qemu/qemu_domain.h b/src/qemu/qemu_domain.h
index 835321f54d231b57fd9833e04f9058cc22a4414b..ad7ed3b9f052ce3e4033b9c6b4e5da389abe0d4c 100644
--- a/src/qemu/qemu_domain.h
+++ b/src/qemu/qemu_domain.h
@@ -1042,6 +1042,8 @@ bool qemuDomainSupportsEncryptedSecret(qemuDomainObjPrivatePtr priv);
 void qemuDomainSecretInfoFree(qemuDomainSecretInfoPtr secinfo)
     ATTRIBUTE_NONNULL(1);
 
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(qemuDomainSecretInfo, qemuDomainSecretInfoFree);
+
 void qemuDomainSecretInfoDestroy(qemuDomainSecretInfoPtr secinfo);
 
 void qemuDomainSecretDiskDestroy(virDomainDiskDefPtr disk)