diff --git a/backend/src/main/java/app/controller/UserController.java b/backend/src/main/java/app/controller/UserController.java
index bf7b9c0..d01819c 100644
--- a/backend/src/main/java/app/controller/UserController.java
+++ b/backend/src/main/java/app/controller/UserController.java
@@ -71,7 +71,7 @@ public String profile(Model model, @PathVariable long id) {
 		}
 		if (user.getId().equals(currentUser.getId())) {
             model.addAttribute("user", user);
-			List<Game> purchasedGames = purchaseService.purchasedGames(user);
+			List<Game> purchasedGames = purchaseService.purchasedGamesByUser(user);
 			model.addAttribute("myGames", purchasedGames);
 			model.addAttribute("haveGames", !purchasedGames.isEmpty());
             model.addAttribute("gamesNumber", purchasedGames.size());
diff --git a/backend/src/main/java/app/repository/PurchaseRepository.java b/backend/src/main/java/app/repository/PurchaseRepository.java
index 3a07032..1340f41 100644
--- a/backend/src/main/java/app/repository/PurchaseRepository.java
+++ b/backend/src/main/java/app/repository/PurchaseRepository.java
@@ -3,12 +3,17 @@
 import java.util.List;
 
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 
+import app.model.Game;
 import app.model.Purchase;
 import app.model.User;
 
 public interface PurchaseRepository extends JpaRepository<Purchase, Long> {
     List<Purchase> findByUser(User user);
-    
+
+    @Query("SELECT DISTINCT g FROM Purchase p JOIN p.games g WHERE p.user = :user")
+    List<Game> findGamesByUser(@Param("user") User user);
 }
 
diff --git a/backend/src/main/java/app/service/PurchaseService.java b/backend/src/main/java/app/service/PurchaseService.java
index 5dd6738..e839ca6 100644
--- a/backend/src/main/java/app/service/PurchaseService.java
+++ b/backend/src/main/java/app/service/PurchaseService.java
@@ -3,16 +3,13 @@
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
-import java.util.HashSet;
 import java.util.List;
 import java.util.Optional;
-import java.util.Set;
 
 import app.model.Game;
 import app.model.Purchase;
 import app.model.User;
 import app.repository.PurchaseRepository;
-import java.util.ArrayList;
 
 @Service
 public class PurchaseService {
@@ -31,17 +28,8 @@ public void deleteById(long id) {
 		purchases.deleteById(id);
 	}
 
-	public Set<Game> purchasedGamesByUser(User user) {
-		List<Purchase> findByUser = purchases.findByUser(user);
-		Set<Game> games = new HashSet<>();
-		for (Purchase purchase : findByUser) {
-			games.addAll(purchase.getGames());
-		}
-		return games;
-	}
-
-	public List<Game> purchasedGames(User user){
-		return new ArrayList<>(purchasedGamesByUser(user));
+	public List<Game> purchasedGamesByUser(User user) {
+		return purchases.findGamesByUser(user);
 	}
 
 	public int numberOfGames(User user){