--- src/CMakeLists.txt
+++ src/CMakeLists.txt
@@ -179,10 +179,8 @@
 	set(CGUITTFONT_LIBRARY cguittfont)
 endif(USE_FREETYPE)
 
-# Do not use system-wide installation of Lua, because it'll likely be a
-# different version and/or has different build options.
-set(LUA_INCLUDE_DIR "${PROJECT_SOURCE_DIR}/lua/src")
-set(LUA_LIBRARY "lua")
+# Do not use bundled libraries if system libraries are available
+find_package(Lua51 REQUIRED)
 
 configure_file(
 	"${PROJECT_SOURCE_DIR}/cmake_config.h.in"
@@ -586,11 +584,6 @@
 	add_subdirectory(cguittfont)
 endif (BUILD_CLIENT AND USE_FREETYPE)
 
-if (LUA_FOUND)
-else (LUA_FOUND)
-	add_subdirectory(lua)
-endif (LUA_FOUND)
-
 if (JSON_FOUND)
 else (JSON_FOUND)
 	add_subdirectory(json)