diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2d6e77e87..b6241e937 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -696,6 +696,8 @@ if (HB_HAVE_INTROSPECTION)
       -DHB_H_IN
       -DHB_OT_H
       -DHB_OT_H_IN
+      -DHB_AAT_H
+      -DHB_AAT_H_IN
       -DHB_GOBJECT_H
       -DHB_GOBJECT_H_IN
       -DHB_EXTERN=