diff --git a/CheckDrive.Api/CheckDrive.TestDataCreator/Seeders/DevelopmentDatabaseSeeder.cs b/CheckDrive.Api/CheckDrive.TestDataCreator/Seeders/DevelopmentDatabaseSeeder.cs
index 6cb4df1..c827284 100644
--- a/CheckDrive.Api/CheckDrive.TestDataCreator/Seeders/DevelopmentDatabaseSeeder.cs
+++ b/CheckDrive.Api/CheckDrive.TestDataCreator/Seeders/DevelopmentDatabaseSeeder.cs
@@ -17,7 +17,7 @@ static DevelopmentDatabaseSeeder()
     }
 
     private static readonly List<string> _oilMarks = [
-        "80", "90", "95", "98", "100", "110", "Diesel"
+        "Ai-80", "Ai-90", "Ai-95", "Ai-98", "Ai-100", "Ai-110"
     ];
 
     public async Task SeedDatabaseAsync(ICheckDriveDbContext context, UserManager<IdentityUser> userManager, DataSeedOptions options)
diff --git a/CheckDrive.Api/CheckDrive.TestDataCreator/Seeders/ProductionDatabaseSeeder.cs b/CheckDrive.Api/CheckDrive.TestDataCreator/Seeders/ProductionDatabaseSeeder.cs
index 6428646..9af9597 100644
--- a/CheckDrive.Api/CheckDrive.TestDataCreator/Seeders/ProductionDatabaseSeeder.cs
+++ b/CheckDrive.Api/CheckDrive.TestDataCreator/Seeders/ProductionDatabaseSeeder.cs
@@ -11,7 +11,7 @@ internal sealed class ProductionDatabaseSeeder : IDatabaseSeeder
 {
     private static readonly List<string> _oilMarks =
         [
-            "80", "90", "95", "98", "100", "110"
+            "Ai-80", "Ai-90", "Ai-95", "Ai-98", "Ai-100", "Ai-110"
         ];
 
     public async Task SeedDatabaseAsync(ICheckDriveDbContext context, UserManager<IdentityUser> userManager, DataSeedOptions options)