2 files changed, 7 insertions, 7 deletions
diff --git a/launcher/minecraft/World.cpp b/launcher/minecraft/World.cpp
index dfcb43d8..90fcf337 100644
--- a/launcher/minecraft/World.cpp
+++ b/launcher/minecraft/World.cpp
@@ -53,12 +53,12 @@
 
 #include <QCoreApplication>
 
-#include <nonstd/optional>
+#include <optional>
 
-using nonstd::optional;
-using nonstd::nullopt;
+using std::optional;
+using std::nullopt;
 
-GameType::GameType(nonstd::optional<int> original):
+GameType::GameType(std::optional<int> original):
     original(original)
 {
     if(!original) {
diff --git a/launcher/minecraft/World.h b/launcher/minecraft/World.h
index 0f587620..8327253a 100644
--- a/launcher/minecraft/World.h
+++ b/launcher/minecraft/World.h
@@ -16,11 +16,11 @@
 #pragma once
 #include <QFileInfo>
 #include <QDateTime>
-#include <nonstd/optional>
+#include <optional>
 
 struct GameType {
     GameType() = default;
-    GameType (nonstd::optional<int> original);
+    GameType (std::optional<int> original);
 
     QString toTranslatedString() const;
     QString toLogString() const;
@@ -33,7 +33,7 @@ struct GameType {
         Adventure,
         Spectator
     } type = Unknown;
-    nonstd::optional<int> original;
+    std::optional<int> original;
 };
 
 class World