diff --git a/backends/iommufd.c b/backends/iommufd.c
index 1ef683c7b0..62a79fa6b0 100644
--- a/backends/iommufd.c
+++ b/backends/iommufd.c
@@ -43,6 +43,7 @@ static void iommufd_backend_finalize(Object *obj)
 
 static void iommufd_backend_set_fd(Object *obj, const char *str, Error **errp)
 {
+    ERRP_GUARD();
     IOMMUFDBackend *be = IOMMUFD_BACKEND(obj);
     int fd = -1;