Fix issies found by gcc 6 in paranoid mode.

1 files changed, 5 insertions, 1 deletions

diff --git a/src/gui/windows/buydialog.cpp b/src/gui/windows/buydialog.cpp
index fa7297bdd..9dd083d61 100644
--- a/src/gui/windows/buydialog.cpp
+++ b/src/gui/windows/buydialog.cpp
@@ -617,7 +617,11 @@ void BuyDialog::updateSlider(const int selectedItem)
     // Update money and adjust the max number of items
     // that can be bought
     mMaxItems -= mAmountItems;
-    setMoney(mMoney - mAmountItems * mShopItems->at(selectedItem)->getPrice());
+    const ShopItem *const item = mShopItems->at(selectedItem);
+    if (item)
+        setMoney(mMoney - mAmountItems * item->getPrice());
+    else
+        setMoney(mMoney);
 
     // Reset selection
     mAmountItems = 1;