diff --git a/depends/lua/CMakeLists.txt b/depends/lua/CMakeLists.txt
index bd244a126..8b9ce8e2e 100644
--- a/depends/lua/CMakeLists.txt
+++ b/depends/lua/CMakeLists.txt
@@ -3,6 +3,9 @@ CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
 
 SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -DLUA_USE_APICHECK")
 
+# Make bit32 library available (for things like bit32.extract())
+ADD_DEFINITIONS(-DLUA_COMPAT_BITLIB)
+
 IF(WIN32)
     ADD_DEFINITIONS(-D_CRT_SECURE_NO_DEPRECATE )
 ELSE()