diff --git a/reactos/ntoskrnl/io/arcname.c b/reactos/ntoskrnl/io/arcname.c
index 0e0b451348b..4f0b154b58e 100644
--- a/reactos/ntoskrnl/io/arcname.c
+++ b/reactos/ntoskrnl/io/arcname.c
@@ -106,7 +106,7 @@ STATIC VOID INIT_FUNCTION
 IopEnumerateBiosDisks(PLIST_ENTRY ListHead)
 {
   RTL_QUERY_REGISTRY_TABLE QueryTable[2];
-  WCHAR Name[100];
+  WCHAR Name[255];
   ULONG AdapterCount;
   ULONG ControllerCount;
   ULONG DiskCount;