diff --git a/src/widgets/dropdown.cpp b/src/widgets/dropdown.cpp
--- a/src/widgets/dropdown.cpp
+++ b/src/widgets/dropdown.cpp
@@ -509,7 +509,7 @@ void ShowDropDownMenu(Window *w, const S
 
 	for (uint i = 0; strings[i] != INVALID_STRING_ID; i++) {
 		if (!HasBit(hidden_mask, i)) {
-			*list->Append() = new DropDownListStringItem(strings[i], i, HasBit(disabled_mask, i));
+			list->push_back(new DropDownListStringItem(strings[i], i, HasBit(disabled_mask, i)));
 		}
 	}