2 files changed, 5 insertions, 2 deletions
diff --git a/api/logic/modplatform/legacy_ftb/PackInstallTask.cpp b/api/logic/modplatform/legacy_ftb/PackInstallTask.cpp
index 9bf6c76a..c77f3250 100644
--- a/api/logic/modplatform/legacy_ftb/PackInstallTask.cpp
+++ b/api/logic/modplatform/legacy_ftb/PackInstallTask.cpp
@@ -121,6 +121,7 @@ void PackInstallTask::install()
 
     QString instanceConfigPath = FS::PathCombine(m_stagingPath, "instance.cfg");
     auto instanceSettings = std::make_shared<INISettingsObject>(instanceConfigPath);
+    instanceSettings->suspendSave();
     instanceSettings->registerSetting("InstanceType", "Legacy");
     instanceSettings->set("InstanceType", "OneSix");
 
diff --git a/api/logic/modplatform/legacy_ftb/PackInstallTask.h b/api/logic/modplatform/legacy_ftb/PackInstallTask.h
index 1eec1880..7868d1c4 100644
--- a/api/logic/modplatform/legacy_ftb/PackInstallTask.h
+++ b/api/logic/modplatform/legacy_ftb/PackInstallTask.h
@@ -8,6 +8,8 @@
 #include "meta/VersionList.h"
 #include "PackHelpers.h"
 
+#include <nonstd/optional>
+
 namespace LegacyFTB {
 
 class MULTIMC_LOGIC_EXPORT PackInstallTask : public InstanceTask
@@ -40,8 +42,8 @@ private slots:
 private: /* data */
     bool abortable = false;
     std::unique_ptr<QuaZip> m_packZip;
-    QFuture<QStringList> m_extractFuture;
-    QFutureWatcher<QStringList> m_extractFutureWatcher;
+    QFuture<nonstd::optional<QStringList>> m_extractFuture;
+    QFutureWatcher<nonstd::optional<QStringList>> m_extractFutureWatcher;
     NetJobPtr netJobContainer;
     QString archivePath;