diff --git a/boards/index.rst b/boards/index.rst
index 8bf0e758995b78..068388e28aa1da 100644
--- a/boards/index.rst
+++ b/boards/index.rst
@@ -13,14 +13,14 @@ under :zephyr_file:`doc/templates/board.tmpl`
 .. toctree::
    :maxdepth: 2
 
-   x86/index.rst
+   arc/index.rst
    arm/index.rst
    arm64/index.rst
-   arc/index.rst
    mips/index.rst
    nios2/index.rst
-   xtensa/index.rst
    posix/index.rst
    riscv/index.rst
    sparc/index.rst
+   x86/index.rst
+   xtensa/index.rst
    shields/index.rst