--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -190,7 +190,7 @@ if (WITH_LUAJIT)
     add_definitions(-DHAVE_LUAJIT=1)
 else()
     message(STATUS "Building with Lua (but not LuaJIT) support")
-    find_package(Lua REQUIRED)
+    find_package(Lua ${LUA_VERSION} EXACT REQUIRED)
     include_directories(SYSTEM ${LUA_INCLUDE_DIR})
 endif()