diff --git a/Sources/XXClient/Functors/NewOrLoadUd.swift b/Sources/XXClient/Functors/NewOrLoadUd.swift
index cdb7f011b17e67a90dcb56d1c02f53f46fc5c354..f0a69b0271c1253044db9cddbe8480b35ca6e3dd 100644
--- a/Sources/XXClient/Functors/NewOrLoadUd.swift
+++ b/Sources/XXClient/Functors/NewOrLoadUd.swift
@@ -8,14 +8,14 @@ public struct NewOrLoadUd {
       username: String?,
       registrationValidationSignature: Data?,
       cert: Data,
-      contactFile: Data,
+      contact: Data,
       address: String
     ) {
       self.e2eId = e2eId
       self.username = username
       self.registrationValidationSignature = registrationValidationSignature
       self.cert = cert
-      self.contactFile = contactFile
+      self.contact = contact
       self.address = address
     }
 
@@ -23,7 +23,7 @@ public struct NewOrLoadUd {
     public var username: String?
     public var registrationValidationSignature: Data?
     public var cert: Data
-    public var contactFile: Data
+    public var contact: Data
     public var address: String
   }
 
@@ -46,7 +46,7 @@ extension NewOrLoadUd {
       params.username,
       params.registrationValidationSignature,
       params.cert,
-      params.contactFile,
+      params.contact,
       params.address,
       &error
     )
diff --git a/Sources/XXMessengerClient/Messenger/Functors/MessengerLogIn.swift b/Sources/XXMessengerClient/Messenger/Functors/MessengerLogIn.swift
index 7e6381c5d3f97121da31031112706626184fbdcb..b82e808a3fc8e9bb3daf97bd07df9fbc5093efe8 100644
--- a/Sources/XXMessengerClient/Messenger/Functors/MessengerLogIn.swift
+++ b/Sources/XXMessengerClient/Messenger/Functors/MessengerLogIn.swift
@@ -29,7 +29,7 @@ extension MessengerLogIn {
           username: nil,
           registrationValidationSignature: nil,
           cert: env.udCert ?? e2e.getUdCertFromNdf(),
-          contactFile: env.udContact ?? (try e2e.getUdContactFromNdf()),
+          contact: env.udContact ?? (try e2e.getUdContactFromNdf()),
           address: env.udAddress ?? e2e.getUdAddressFromNdf()
         ),
         follower: .init {
diff --git a/Sources/XXMessengerClient/Messenger/Functors/MessengerRegister.swift b/Sources/XXMessengerClient/Messenger/Functors/MessengerRegister.swift
index 116b1a1837b2fff29249f8ba51c3e4ef0aaae32a..6baad0eb3875b59035e007d92394c9db9e6e589e 100644
--- a/Sources/XXMessengerClient/Messenger/Functors/MessengerRegister.swift
+++ b/Sources/XXMessengerClient/Messenger/Functors/MessengerRegister.swift
@@ -31,7 +31,7 @@ extension MessengerRegister {
           username: username,
           registrationValidationSignature: cMix.getReceptionRegistrationValidationSignature(),
           cert: env.udCert ?? e2e.getUdCertFromNdf(),
-          contactFile: env.udContact ?? (try e2e.getUdContactFromNdf()),
+          contact: env.udContact ?? (try e2e.getUdContactFromNdf()),
           address: env.udAddress ?? e2e.getUdAddressFromNdf()
         ),
         follower: .init {
diff --git a/Tests/XXMessengerClientTests/Messenger/Functors/MessengerLogInTests.swift b/Tests/XXMessengerClientTests/Messenger/Functors/MessengerLogInTests.swift
index c0c3aaf3558ed14fa878b12bd80996ca3598a482..db4e9742a0c6d5160c144243443d68c2babce8bc 100644
--- a/Tests/XXMessengerClientTests/Messenger/Functors/MessengerLogInTests.swift
+++ b/Tests/XXMessengerClientTests/Messenger/Functors/MessengerLogInTests.swift
@@ -46,7 +46,7 @@ final class MessengerLogInTests: XCTestCase {
       username: nil,
       registrationValidationSignature: nil,
       cert: udCertFromNDF,
-      contactFile: udContactFromNDF,
+      contact: udContactFromNDF,
       address: udAddressFromNDF
     )])
     XCTAssertEqual(didNewOrLoadUDWithFollower.count, 1)
@@ -93,7 +93,7 @@ final class MessengerLogInTests: XCTestCase {
       username: nil,
       registrationValidationSignature: nil,
       cert: altUdCert,
-      contactFile: altUdContact,
+      contact: altUdContact,
       address: altUdAddress
     )])
     XCTAssertEqual(didSetUD.compactMap { $0 }.count, 1)
diff --git a/Tests/XXMessengerClientTests/Messenger/Functors/MessengerRegisterTests.swift b/Tests/XXMessengerClientTests/Messenger/Functors/MessengerRegisterTests.swift
index ed48dc263326d52b26dd866f134fdbdae7bc2671..35d078c2a38314245dbd1ede4517d82022ef1507 100644
--- a/Tests/XXMessengerClientTests/Messenger/Functors/MessengerRegisterTests.swift
+++ b/Tests/XXMessengerClientTests/Messenger/Functors/MessengerRegisterTests.swift
@@ -51,7 +51,7 @@ final class MessengerRegisterTests: XCTestCase {
       username: username,
       registrationValidationSignature: registrationSignature,
       cert: udCertFromNDF,
-      contactFile: udContactFromNDF,
+      contact: udContactFromNDF,
       address: udAddressFromNDF
     )])
     XCTAssertEqual(didNewOrLoadUDWithFollower.count, 1)
@@ -103,7 +103,7 @@ final class MessengerRegisterTests: XCTestCase {
       username: username,
       registrationValidationSignature: registrationSignature,
       cert: altUdCert,
-      contactFile: altUdContact,
+      contact: altUdContact,
       address: altUdAddress
     )])
     XCTAssertEqual(didSetUD.compactMap { $0 }.count, 1)