diff --git a/Source/DiabloUI/settingsmenu.cpp b/Source/DiabloUI/settingsmenu.cpp
index 4cec3f552..a0415abea 100644
--- a/Source/DiabloUI/settingsmenu.cpp
+++ b/Source/DiabloUI/settingsmenu.cpp
@@ -318,7 +318,7 @@ void FullscreenChanged()
 
 	for (auto &vecItem : vecDialogItems) {
 		int vecItemValue = vecItem->m_value;
-		if (vecItemValue < 0)
+		if (vecItemValue < 0 || vecItemValue >= vecOptions.size())
 			continue;
 
 		auto *pOption = vecOptions[vecItemValue];