diff --git a/CMakeLists.txt b/CMakeLists.txt
index e679164..e9ebbab 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -92,6 +92,10 @@
     endif()
 endif()
 
+if(BUILD_AS3)
+    add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/lib/as3)
+endif()
+
 if(BUILD_C_GLIB)
     add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/lib/c_glib)
 endif()