diff --git a/build_library/minios_disk_layout.json b/build_library/minios_disk_layout.json
index 564cc9e..112ca87 100644
--- a/build_library/minios_disk_layout.json
+++ b/build_library/minios_disk_layout.json
@@ -12,14 +12,14 @@
       {
         # MiniOS A partition.
         "num": 13,
-        "label": "MiniOS-A",
+        "label": "MINIOS-A",
         "type": "kernel",
         "size": "64 MiB"
       },
       {
         # MiniOS B partition.
         "num": 14,
-        "label": "MiniOS-B",
+        "label": "MINIOS-B",
         "type": "kernel",
         "size": "64 MiB",
         # Places partition at the end of disk.