diff --git a/SerpentRace_Backend/src/Application/DTOs/DeckDto.ts b/SerpentRace_Backend/src/Application/DTOs/DeckDto.ts
index 393ea2ed..a416ffcc 100644
--- a/SerpentRace_Backend/src/Application/DTOs/DeckDto.ts
+++ b/SerpentRace_Backend/src/Application/DTOs/DeckDto.ts
@@ -15,6 +15,7 @@ export interface ShortDeckDto {
   type: number;
   playedNumber: number;
   ctype: number;
+  cardsCount: number;
 }
 
 export interface DetailDeckDto {
diff --git a/SerpentRace_Backend/src/Application/DTOs/Mappers/DeckMapper.ts b/SerpentRace_Backend/src/Application/DTOs/Mappers/DeckMapper.ts
index 2d7f486b..1dc07a32 100644
--- a/SerpentRace_Backend/src/Application/DTOs/Mappers/DeckMapper.ts
+++ b/SerpentRace_Backend/src/Application/DTOs/Mappers/DeckMapper.ts
@@ -9,6 +9,7 @@ export class DeckMapper {
       type: deck.type,
       playedNumber: deck.playedNumber,
       ctype: deck.ctype,
+      cardsCount: deck.cards.length,
     };
   }
 
@@ -26,6 +27,13 @@ export class DeckMapper {
   }
 
   static toShortDtoList(decks: DeckAggregate[]): ShortDeckDto[] {
-    return decks.map(this.toShortDto);
+    return decks.map(deck => ({
+      id: deck.id,
+      name: deck.name,
+      type: deck.type,
+      playedNumber: deck.playedNumber,
+      ctype: deck.ctype,
+      cardsCount: deck.cards.length,
+    }));
   }
 }