diff --git a/numa.c b/numa.c
index eef0717..e471afe 100644
--- a/numa.c
+++ b/numa.c
@@ -238,7 +238,7 @@
         /* Legacy behavior: if allocation failed, fall back to
          * regular RAM allocation.
          */
-        if (!memory_region_size(mr)) {
+        if (err) {
             qerror_report_err(err);
             error_free(err);
             memory_region_init_ram(mr, owner, name, ram_size);