diff -Naur acpica-unix2-20211217.orig/source/tools/acpiexec/aeregion.c acpica-unix2-20211217/source/tools/acpiexec/aeregion.c
--- acpica-unix2-20211217.orig/source/tools/acpiexec/aeregion.c	2021-12-17 10:48:17.000000000 -0700
+++ acpica-unix2-20211217/source/tools/acpiexec/aeregion.c	2022-03-18 15:53:25.032687782 -0600
@@ -97,7 +97,7 @@
     UINT32                  Value1;
     UINT32                  Value2;
     ACPI_RESOURCE           *Resource;
-    char                    Uuid[ACPI_PRM_INPUT_BUFFER_SIZE + 1];
+    char                    Uuid[UUID_STRING_LENGTH + 1];
 
 
     ACPI_FUNCTION_NAME (AeRegionHandler);