diff --git a/qrenderdoc/3rdparty/toolwindowmanager/ToolWindowManager.cpp b/qrenderdoc/3rdparty/toolwindowmanager/ToolWindowManager.cpp
index 7f0e13998..701980a83 100644
--- a/qrenderdoc/3rdparty/toolwindowmanager/ToolWindowManager.cpp
+++ b/qrenderdoc/3rdparty/toolwindowmanager/ToolWindowManager.cpp
@@ -829,7 +829,7 @@ void ToolWindowManager::startDrag(const QList<QWidget *> &toolWindows,
 QVariantMap ToolWindowManager::saveSplitterState(QSplitter *splitter)
 {
   QVariantMap result;
-  result[QStringLiteral("state")] = splitter->saveState().toBase64();
+  result[QStringLiteral("state")] = QString::fromLatin1(splitter->saveState().toBase64());
   result[QStringLiteral("type")] = QStringLiteral("splitter");
   QVariantList items;
   for(int i = 0; i < splitter->count(); i++)
diff --git a/qrenderdoc/3rdparty/toolwindowmanager/ToolWindowManagerWrapper.cpp b/qrenderdoc/3rdparty/toolwindowmanager/ToolWindowManagerWrapper.cpp
index c5c6b14bd..777f0191d 100644
--- a/qrenderdoc/3rdparty/toolwindowmanager/ToolWindowManagerWrapper.cpp
+++ b/qrenderdoc/3rdparty/toolwindowmanager/ToolWindowManagerWrapper.cpp
@@ -456,7 +456,7 @@ QVariantMap ToolWindowManagerWrapper::saveState()
     return QVariantMap();
   }
   QVariantMap result;
-  result[QStringLiteral("geometry")] = saveGeometry().toBase64();
+  result[QStringLiteral("geometry")] = QString::fromLatin1(saveGeometry().toBase64());
   QSplitter *splitter = findChild<QSplitter *>(QString(), Qt::FindDirectChildrenOnly);
   if(splitter)
   {