diff --git a/include/sol/compatibility/compat-5.3.h b/include/sol/compatibility/compat-5.3.h
index 8d32d2d7..bd9dad99 100644
--- a/include/sol/compatibility/compat-5.3.h
+++ b/include/sol/compatibility/compat-5.3.h
@@ -405,7 +405,7 @@ COMPAT53_API void luaL_requiref(lua_State *L, const char *modname,
 
 
 /* other Lua versions */
-#if !defined(LUA_VERSION_NUM) || LUA_VERSION_NUM < 501 || LUA_VERSION_NUM > 504
+#if !defined(LUA_VERSION_NUM) || LUA_VERSION_NUM < 501 || LUA_VERSION_NUM > 505
 
 #  error "unsupported Lua version (i.e. not Lua 5.1, 5.2, 5.3, or 5.4)"

diff --git a/include/sol/compatibility/compat-5.4.h b/include/sol/compatibility/compat-5.4.h
index ae747c64..b5238579 100644
--- a/include/sol/compatibility/compat-5.4.h
+++ b/include/sol/compatibility/compat-5.4.h
@@ -17,7 +17,7 @@ extern "C" {
 }
 #endif
 
-#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM == 504
+#if defined(LUA_VERSION_NUM) && (LUA_VERSION_NUM == 504 || LUA_VERSION_NUM == 505)
 
 #if !defined(LUA_ERRGCMM)
 /* So Lua 5.4 actually removes this, which breaks sol2...
diff --git a/include/sol/state.hpp b/include/sol/state.hpp
index ed2412ed..b05e9741 100644
--- a/include/sol/state.hpp
+++ b/include/sol/state.hpp
@@ -39,7 +39,11 @@ namespace sol {
 		}
 
 		state(lua_CFunction panic, lua_Alloc alfunc, void* alpointer = nullptr)
+#if LUA_VERSION_NUM < 505
 		: unique_base(lua_newstate(alfunc, alpointer)), state_view(unique_base::get()) {
+#else
+		: unique_base(lua_newstate(alfunc, alpointer, 0)), state_view(unique_base::get()) {
+#endif
 			set_default_state(unique_base::get(), panic);
 		}