diff --git a/std/haxe/Timer.hx b/std/haxe/Timer.hx
index ccf04173aa7..6b75fb18c1f 100644
--- a/std/haxe/Timer.hx
+++ b/std/haxe/Timer.hx
@@ -173,6 +173,8 @@ class Timer {
 		return untyped __global__.__time_stamp();
 		#elseif python
 		return Sys.cpuTime();
+		#elseif lua
+		return lua.Os.clock();
 		#elseif sys
 		return Sys.time();
 		#else
diff --git a/std/lua/_std/Sys.hx b/std/lua/_std/Sys.hx
index 1e81386f049..e4c9ea4ffea 100644
--- a/std/lua/_std/Sys.hx
+++ b/std/lua/_std/Sys.hx
@@ -46,7 +46,7 @@ class Sys {
 	public static inline function programPath():String return haxe.io.Path.join([getCwd(), Lua.arg[0]]);
 	public static function getCwd():String return notImplemented();
 	public static function setCwd(s:String):Void notImplemented();
-	public static function getEnv(s:String):Null<String> return notImplemented();
+	public static inline function getEnv(s:String):Null<String> return lua.Os.getenv(s);
 	public static function putEnv(s:String, v:Null<String>):Void notImplemented();
 	public static inline function setTimeLocale(loc:String):Bool return lua.Os.setlocale(loc) != null;
 	public static function sleep(seconds:Float):Void notImplemented();