diff --git a/src/base_consist.cpp b/src/base_consist.cpp
index c7fcdec..2005127 100644
--- a/src/base_consist.cpp
+++ b/src/base_consist.cpp
@@ -44,4 +44,8 @@ void BaseConsist::CopyConsistPropertiesFrom(const BaseConsist *src)
 	if (HasBit(src->vehicle_flags, VF_TIMETABLE_STARTED)) SetBit(this->vehicle_flags, VF_TIMETABLE_STARTED);
 	if (HasBit(src->vehicle_flags, VF_AUTOFILL_TIMETABLE)) SetBit(this->vehicle_flags, VF_AUTOFILL_TIMETABLE);
 	if (HasBit(src->vehicle_flags, VF_AUTOFILL_PRES_WAIT_TIME)) SetBit(this->vehicle_flags, VF_AUTOFILL_PRES_WAIT_TIME);
+	if (HasBit(src->vehicle_flags, VF_SERVINT_IS_PERCENT) != HasBit(this->vehicle_flags, VF_SERVINT_IS_PERCENT)) {
+		ToggleBit(this->vehicle_flags, VF_SERVINT_IS_PERCENT);
+	}
+	if (HasBit(src->vehicle_flags, VF_SERVINT_IS_CUSTOM)) SetBit(this->vehicle_flags, VF_SERVINT_IS_CUSTOM);
 }
diff --git a/src/economy.cpp b/src/economy.cpp
index 37a89b3..1d338d6 100644
--- a/src/economy.cpp
+++ b/src/economy.cpp
@@ -436,6 +436,21 @@ void ChangeOwnershipOfCompanyItems(Owner old_owner, Owner new_owner)
 			if (v->owner == old_owner && IsCompanyBuildableVehicleType(v->type)) {
 				assert(new_owner != INVALID_OWNER);
 
+				/* Verify the service interval settings for mismatching defaults */
+				Company *old_company = Company::Get(old_owner);
+				Company *new_company = Company::Get(new_owner);
+
+				if (old_company->settings.vehicle.servint_ispercent != new_company->settings.vehicle.servint_ispercent) {
+					/* If the service interval types (day/percent) the value gets interpeted incorrectly.
+					 * When the vehicle gets auto replaced this value will get accepted for whatever the setting happens to be.
+					 * This could cause 150% intervals which is normally not valid.
+					 * Forcibly adjust the vehicle to the same settings but with the VF_SERVINT_IS_CUSTOM enabled
+					 */
+
+					uint16 interval = GetServiceIntervalClamped(v->GetServiceInterval(), old_company->settings.vehicle.servint_ispercent);
+					DoCommand(v->tile, v->index, interval | (1 << 16) | (old_company->settings.vehicle.servint_ispercent << 17), DC_EXEC | DC_BANKRUPT, CMD_CHANGE_SERVICE_INT);
+				}
+
 				v->owner = new_owner;
 
 				/* Owner changes, clear cache */