diff --git a/docs/setup.rst b/docs/setup.rst
index 839f8f6..0bf23e9 100644
--- a/docs/setup.rst
+++ b/docs/setup.rst
@@ -48,12 +48,19 @@ blueprint-compiler works as a meson subproject.
 
    .. code-block:: meson.build
 
+      blps = [
+        # LIST YOUR BLUEPRINT FILES HERE
+      ]
+
+      uis = []
+      foreach blp : blps
+        uis += blp.replace('.blp', '.ui')
+      endforeach
+
       blueprints = custom_target('blueprints',
-        input: files(
-          # LIST YOUR BLUEPRINT FILES HERE
-        ),
-        output: '.',
-        command: [find_program('blueprint-compiler'), 'batch-compile', '@OUTPUT@', '@CURRENT_SOURCE_DIR@', '@INPUT@'],
+        input: blps,
+        output: uis,
+        command: [find_program('blueprint-compiler'), 'batch-compile', '@OUTDIR@', '@CURRENT_SOURCE_DIR@', '@INPUT@'],
       )
 
 #. In the same ``meson.build`` file, add this argument to your ``gnome.compile_resources`` command: