diff --git a/Meta/Lagom/CMakeLists.txt b/Meta/Lagom/CMakeLists.txt
index 38fa365895..8b98afadc9 100644
--- a/Meta/Lagom/CMakeLists.txt
+++ b/Meta/Lagom/CMakeLists.txt
@@ -12,8 +12,10 @@ endif()
 file(GLOB AK_SOURCES "../../AK/*.cpp")
 file(GLOB LIBCORE_SOURCES "../../Libraries/LibCore/*.cpp")
 file(GLOB LIBIPC_SOURCES "../../Libraries/LibIPC/*.cpp")
+file(GLOB LIBJS_SOURCES "../../Libraries/LibJS/*.cpp")
+file(GLOB LIBJS_SUBDIR_SOURCES "../../Libraries/LibJS/*/*.cpp")
 
-set(SOURCES ${AK_SOURCES} ${LIBCORE_SOURCES} ${LIBIPC_SOURCES})
+set(SOURCES ${AK_SOURCES} ${LIBCORE_SOURCES} ${LIBIPC_SOURCES} ${LIBJS_SOURCES} ${LIBJS_SUBDIR_SOURCES})
 
 include_directories (../../)
 include_directories (../../Libraries/)
@@ -26,3 +28,8 @@ target_link_libraries(TestApp stdc++)
 add_executable(TestJson TestJson.cpp)
 target_link_libraries(TestJson lagom)
 target_link_libraries(TestJson stdc++)
+
+add_executable(js ../../Userland/js.cpp)
+target_link_libraries(js lagom)
+target_link_libraries(js stdc++)
+target_link_libraries(js pthread)