diff --git a/configurations/meson.build b/configurations/meson.build
index b86708c..52717fe 100644
--- a/configurations/meson.build
+++ b/configurations/meson.build
@@ -157,6 +157,7 @@
     'meta/yosemite4_wailuafalls.json',
     'meta/yosemite4n.json',
     'meta/yosemite5_1kw_paddle_board.json',
+    'meta/yosemite5_e1s_expansion_board.json',
     'meta/yosemite5_mb.json',
     'meta/yosemite5_medusa_board.json',
     'meta/yosemite5_scm.json',