1 files changed, 15 insertions, 0 deletions
diff --git a/src/saveload/vehicle_sl.cpp b/src/saveload/vehicle_sl.cpp
index c1e07bf3c..aebde2bb0 100644
--- a/src/saveload/vehicle_sl.cpp
+++ b/src/saveload/vehicle_sl.cpp
@@ -17,6 +17,8 @@
 #include "../aircraft.h"
 #include "../station_base.h"
 #include "../effectvehicle_base.h"
+#include "../company_base.h"
+#include "../company_func.h"
 
 #include "saveload.h"
 
@@ -349,6 +351,19 @@ void AfterLoadVehicles(bool part_of_load)
 				v->cargo_age_counter = _age_cargo_skip_counter;
 			}
 		}
+
+		if (IsSavegameVersionBefore(180)) {
+			/* Set service interval flags */
+			FOR_ALL_VEHICLES(v) {
+				if (!v->IsPrimaryVehicle()) continue;
+
+				const Company *c = Company::Get(v->owner);
+				int interval = CompanyServiceInterval(c, v->type);
+
+				v->SetServiceIntervalIsCustom(v->GetServiceInterval() != interval);
+				v->SetServiceIntervalIsPercent(c->settings.vehicle.servint_ispercent);
+			}
+		}
 	}
 
 	CheckValidVehicles();