diff --git a/src/tbtr_template_gui_create.cpp b/src/tbtr_template_gui_create.cpp
index 741b840716..79f8a808af 100644
--- a/src/tbtr_template_gui_create.cpp
+++ b/src/tbtr_template_gui_create.cpp
@@ -244,7 +244,9 @@ public:
 				break;
 			}
 			case TCW_REFIT: {
-				ShowVehicleRefitWindow(virtual_train, INVALID_VEH_ORDER_ID, this, false, true);
+				if (virtual_train != NULL) {
+					ShowVehicleRefitWindow(virtual_train, INVALID_VEH_ORDER_ID, this, false, true);
+				}
 				break;
 			}
 		}