diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index c5e292aab0e34c77f94d1089942ebba06ffcd3d8..3a0d8ef25c75c453175377236f9f56e731d53182 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -277,7 +277,7 @@ int acpi_get_node(acpi_handle *handle)
 	int pxm, node = -1;
 
 	pxm = acpi_get_pxm(handle);
-	if (pxm >= 0)
+	if (pxm >= 0 && pxm < MAX_PXM_DOMAINS)
 		node = acpi_map_pxm_to_node(pxm);
 
 	return node;