diff --git a/src/order_gui.cpp b/src/order_gui.cpp
--- a/src/order_gui.cpp
+++ b/src/order_gui.cpp
@@ -1060,8 +1060,8 @@ public:
 					}
 					OrderConditionVariable ocv = order->GetConditionVariable();
 					/* Set the strings for the dropdown boxes. */
-					this->GetWidget<NWidgetCore>(WID_O_COND_VARIABLE)->widget_data   = STR_ORDER_CONDITIONAL_LOAD_PERCENTAGE + (order == NULL ? 0 : ocv);
-					this->GetWidget<NWidgetCore>(WID_O_COND_COMPARATOR)->widget_data = _order_conditional_condition[order == NULL ? 0 : order->GetConditionComparator()];
+					this->GetWidget<NWidgetCore>(WID_O_COND_VARIABLE)->widget_data   = STR_ORDER_CONDITIONAL_LOAD_PERCENTAGE + ocv;
+					this->GetWidget<NWidgetCore>(WID_O_COND_COMPARATOR)->widget_data = _order_conditional_condition[order->GetConditionComparator()];
 					this->SetWidgetDisabledState(WID_O_COND_COMPARATOR, ocv == OCV_UNCONDITIONALLY);
 					this->SetWidgetDisabledState(WID_O_COND_VALUE, ocv == OCV_REQUIRES_SERVICE || ocv == OCV_UNCONDITIONALLY);
 					break;