2 files changed, 6 insertions, 2 deletions
diff --git a/src/gui/widgets/tabbedarea.cpp b/src/gui/widgets/tabbedarea.cpp
index dbfc068e6..2be152d4a 100644
--- a/src/gui/widgets/tabbedarea.cpp
+++ b/src/gui/widgets/tabbedarea.cpp
@@ -777,6 +777,8 @@ void TabbedArea::selectPrevTab()
 
     if (tab == 0)
         tab = static_cast<int>(mTabs.size());
+    if (tab < 0)
+        return;
     tab--;
     setSelectedTab(mTabs[tab].first);
 }
diff --git a/src/gui/widgets/tabs/setup_relations.cpp b/src/gui/widgets/tabs/setup_relations.cpp
index 4b8be484c..ffa5e1a66 100644
--- a/src/gui/widgets/tabs/setup_relations.cpp
+++ b/src/gui/widgets/tabs/setup_relations.cpp
@@ -216,9 +216,11 @@ void Setup_Relations::action(const ActionEvent &event)
     }
     else if (eventId == ACTION_STRATEGY)
     {
+        const int sel = mIgnoreActionChoicesBox->getSelected();
+        if (sel < 0)
+            return;
         PlayerIgnoreStrategy *const s =
-            (*player_relations.getPlayerIgnoreStrategies())[
-            mIgnoreActionChoicesBox->getSelected()];
+            (*player_relations.getPlayerIgnoreStrategies())[sel];
 
         player_relations.setPlayerIgnoreStrategy(s);
     }