diff --git a/aegisub/auto4_lua.h b/aegisub/auto4_lua.h
index 81b2b7b4b..72c90d09b 100644
--- a/aegisub/auto4_lua.h
+++ b/aegisub/auto4_lua.h
@@ -46,8 +46,7 @@
 #include "../lua51/src/lua.h"
 #include "../lua51/src/lauxlib.h"
 #else
-#include "lua.h"
-#include "lauxlib.h"
+#include "lua.hpp"
 #endif
 
 class wxWindow;
diff --git a/aegisub/auto4_lua_scriptreader.h b/aegisub/auto4_lua_scriptreader.h
index f798e1e19..fbb0c0382 100644
--- a/aegisub/auto4_lua_scriptreader.h
+++ b/aegisub/auto4_lua_scriptreader.h
@@ -39,7 +39,7 @@
 #ifdef __WINDOWS__
 #include "../lua51/src/lua.h"
 #else
-#include "lua.h"
+#include "lua.hpp"
 #endif
 
 namespace Automation4 {
@@ -58,3 +58,4 @@ namespace Automation4 {
 };
 
 
+