diff --git a/src/Core/Services/ExportService.cs b/src/Core/Services/ExportService.cs
index 1aa7b46e2..c5fd0c728 100644
--- a/src/Core/Services/ExportService.cs
+++ b/src/Core/Services/ExportService.cs
@@ -20,13 +20,16 @@ namespace Bit.Core.Services
     {
         private readonly IFolderService _folderService;
         private readonly ICipherService _cipherService;
+        private readonly ICryptoService _cryptoService;
 
         public ExportService(
             IFolderService folderService,
-            ICipherService cipherService)
+            ICipherService cipherService,
+            ICryptoService cryptoService)
         {
             _folderService = folderService;
             _cipherService = cipherService;
+            _cryptoService = cryptoService;
         }
 
         public async Task<string> GetExport(string format = "csv")
@@ -37,7 +40,7 @@ namespace Bit.Core.Services
                 var items = (await _cipherService.GetAllAsync()).Where(c => c.OrganizationId == null && c.DeletedDate == null)
                     .Select(c => new CipherWithId(c));
 
-                return ExportEncryptedJson(folders, items);
+                return await ExportEncryptedJson(folders, items);
             }
             else
             {
@@ -177,11 +180,14 @@ namespace Bit.Core.Services
                 });
         }
 
-        private string ExportEncryptedJson(IEnumerable<FolderWithId> folders, IEnumerable<CipherWithId> ciphers)
+        private async Task<string> ExportEncryptedJson(IEnumerable<FolderWithId> folders, IEnumerable<CipherWithId> ciphers)
         {
+            var encKeyValidation = await _cryptoService.EncryptAsync(Guid.NewGuid().ToString());
+
             var jsonDoc = new
             {
                 Encrypted = true,
+                EncKeyValidation_DO_NOT_EDIT = encKeyValidation.EncryptedString,
                 Folders = folders,
                 Items = ciphers,
             };
diff --git a/src/Core/Utilities/ServiceContainer.cs b/src/Core/Utilities/ServiceContainer.cs
index a1e713c98..c15d237ef 100644
--- a/src/Core/Utilities/ServiceContainer.cs
+++ b/src/Core/Utilities/ServiceContainer.cs
@@ -68,7 +68,7 @@ namespace Bit.Core.Utilities
             var totpService = new TotpService(storageService, cryptoFunctionService);
             var authService = new AuthService(cryptoService, apiService, userService, tokenService, appIdService,
                 i18nService, platformUtilsService, messagingService, vaultTimeoutService);
-            var exportService = new ExportService(folderService, cipherService);
+            var exportService = new ExportService(folderService, cipherService, cryptoService);
             var auditService = new AuditService(cryptoFunctionService, apiService);
             var environmentService = new EnvironmentService(apiService, storageService);
             var eventService = new EventService(storageService, apiService, userService, cipherService);