diff --git a/hw/cxl/cxl-host.c b/hw/cxl/cxl-host.c
index 2aa776c79c..c5f5fcfd64 100644
--- a/hw/cxl/cxl-host.c
+++ b/hw/cxl/cxl-host.c
@@ -26,6 +26,7 @@ static void cxl_fixed_memory_window_config(CXLState *cxl_state,
                                            CXLFixedMemoryWindowOptions *object,
                                            Error **errp)
 {
+    ERRP_GUARD();
     g_autofree CXLFixedWindow *fw = g_malloc0(sizeof(*fw));
     strList *target;
     int i;