1 files changed, 3 insertions, 2 deletions
diff --git a/launcher/minecraft/auth/AccountList.cpp b/launcher/minecraft/auth/AccountList.cpp
index c534ea3b..84dbd841 100644
--- a/launcher/minecraft/auth/AccountList.cpp
+++ b/launcher/minecraft/auth/AccountList.cpp
@@ -415,7 +415,7 @@ Qt::ItemFlags AccountList::flags(const QModelIndex& index) const
 
 bool AccountList::setData(const QModelIndex& idx, const QVariant& value, int role)
 {
-    if (idx.row() < 0 || idx.row() >= rowCount(idx) || !idx.isValid()) {
+    if (idx.row() < 0 || idx.row() >= rowCount(idx.parent()) || !idx.isValid()) {
         return false;
     }
 
@@ -423,7 +423,8 @@ bool AccountList::setData(const QModelIndex& idx, const QVariant& value, int rol
         if (value == Qt::Checked) {
             MinecraftAccountPtr account = at(idx.row());
             setDefaultAccount(account);
-        }
+        } else if (m_defaultAccount == at(idx.row()))
+            setDefaultAccount(nullptr);
     }
 
     emit dataChanged(idx, index(idx.row(), columnCount(QModelIndex()) - 1));