diff --git a/server/src/game/dto/repair-game.dto.ts b/server/src/game/dto/repair-game.dto.ts
index fa40517..fc8f23c 100644
--- a/server/src/game/dto/repair-game.dto.ts
+++ b/server/src/game/dto/repair-game.dto.ts
@@ -2,5 +2,6 @@ import { MoneyUpdate } from "@prisma/client"
 
 export interface RepairGame {
   added: MoneyUpdate[]
+  modified: MoneyUpdate[]
   deleted: MoneyUpdate[]
 }
diff --git a/server/src/game/game.service.ts b/server/src/game/game.service.ts
index 9a4661c..3b0dfd6 100644
--- a/server/src/game/game.service.ts
+++ b/server/src/game/game.service.ts
@@ -133,6 +133,7 @@ export class GameService {
 
   async repair(): Promise<RepairGame> {
     const added: MoneyUpdate[] = []
+    const modified: MoneyUpdate[] = []
     const deleted: MoneyUpdate[] = []
     const trains = await this.prisma.trainTrip.findMany({ include: { moneyUpdate: true } })
     for (const train of trains) {
@@ -147,6 +148,17 @@ export class GameService {
         })
         added.push(trainMoneyUpdate)
       }
+      else {
+        const moneyUpdate = train.moneyUpdate
+        const cost = Constants.PRICE_PER_KILOMETER * Math.ceil(train.distance / 1000)
+        if (moneyUpdate.amount != -cost) {
+          const modifiedMoneyUpdate = await this.prisma.moneyUpdate.update({
+            where: { id: moneyUpdate.id },
+            data: { amount: -cost },
+          })
+          modified.push(modifiedMoneyUpdate)
+        }
+      }
     }
     const orpanTrainMoneyUpdates = await this.prisma.moneyUpdate.findMany({ where: { reason: MoneyUpdateType.BUY_TRAIN, tripId: null } })
     await this.prisma.moneyUpdate.deleteMany({ where: { reason: MoneyUpdateType.BUY_TRAIN, tripId: null } })
@@ -165,6 +177,13 @@ export class GameService {
         })
         added.push(challengeMoneyUpdate)
       }
+      else if (challengeAction.success && challengeAction.moneyUpdate.amount !== challengeAction.challenge.reward) {
+        const modifiedMoneyUpdate = await this.prisma.moneyUpdate.update({
+          where: { id: challengeAction.moneyUpdate.id },
+          data: { amount: challengeAction.challenge.reward },
+        })
+        modified.push(modifiedMoneyUpdate)
+      }
       else if (!challengeAction.success && challengeAction.moneyUpdate) {
         deleted.push(challengeAction.moneyUpdate)
         await this.prisma.moneyUpdate.delete({ where: { id: challengeAction.moneyUpdate.id } })
@@ -175,6 +194,6 @@ export class GameService {
     await this.prisma.moneyUpdate.deleteMany({ where: { reason: MoneyUpdateType.WIN_CHALLENGE, actionId: null } })
     deleted.push(...orpanChallengeMoneyUpdates)
 
-    return { added: added, deleted: deleted }
+    return { added: added, modified: modified, deleted: deleted }
   }
 }