diff --git a/WultraMobileTokenSDK/Operations/Model/Requests/WMTAuthorizationData.swift b/WultraMobileTokenSDK/Operations/Model/Requests/WMTAuthorizationData.swift
index 02e1026..2d07eae 100644
--- a/WultraMobileTokenSDK/Operations/Model/Requests/WMTAuthorizationData.swift
+++ b/WultraMobileTokenSDK/Operations/Model/Requests/WMTAuthorizationData.swift
@@ -44,7 +44,7 @@ class WMTAuthorizationData: Codable {
         }
         
         self.proximityCheck = WMTProximityCheckData(
-            totp: proximityCheck.totp,
+            otp: proximityCheck.totp,
             type: proximityCheck.type,
             timestampRequested: proximityCheck.timestampRequested,
             timestampSigned: timestampSigned
@@ -56,7 +56,7 @@ class WMTAuthorizationData: Codable {
 struct WMTProximityCheckData: Codable {
     
     /// Tha actual otp code
-    let totp: String
+    let otp: String
     
     /// Type of the Proximity check
     let type: WMTProximityCheckType
diff --git a/WultraMobileTokenSDKTests/NetworkingObjectsTests.swift b/WultraMobileTokenSDKTests/NetworkingObjectsTests.swift
index 6601236..6996faa 100644
--- a/WultraMobileTokenSDKTests/NetworkingObjectsTests.swift
+++ b/WultraMobileTokenSDKTests/NetworkingObjectsTests.swift
@@ -259,7 +259,7 @@ class NetworkingObjectsTests: XCTestCase {
         XCTAssertEqual(request.requestObject?.data, "A2")
         XCTAssertEqual(request.requestObject?.id, "47825519-35b8-469d-ad76-e42f85b9a31d")
         XCTAssertEqual(proximityCheck?.type, .qrCode)
-        XCTAssertEqual(proximityCheck?.totp, "12345678")
+        XCTAssertEqual(proximityCheck?.otp, "12345678")
     }