diff --git a/gmslides.gypi b/gmslides.gypi
index 44bc7de..b85a701 100644
--- a/gmslides.gypi
+++ b/gmslides.gypi
@@ -43,6 +43,7 @@
     '../gm/tilemodes.cpp',
     '../gm/tinybitmap.cpp',
     '../gm/verttext.cpp',
+    '../gm/verttext2.cpp',
     '../gm/xfermodes.cpp',
   ],
 }