diff --git a/Auth0/AuthenticationError.swift b/Auth0/AuthenticationError.swift
index 83e12942..e32023cb 100644
--- a/Auth0/AuthenticationError.swift
+++ b/Auth0/AuthenticationError.swift
@@ -59,12 +59,16 @@ public struct AuthenticationError: Auth0APIError {
 
     /// When the MFA code sent is invalid or expired.
     public var isMultifactorCodeInvalid: Bool {
-        return self.code == "a0.mfa_invalid_code" || self.code == "invalid_grant" && self.localizedDescription == "Invalid otp_code."
+        return self.code == "a0.mfa_invalid_code"
+            || self.code == "invalid_grant" && self.localizedDescription == "Invalid otp_code."
+            || self.code == "invalid_grant" && self.localizedDescription == "Invalid binding_code."
+            || self.code == "invalid_grant" && self.localizedDescription == "MFA Authorization rejected."
     }
 
     /// When the MFA token is invalid or expired.
     public var isMultifactorTokenInvalid: Bool {
-        return self.code == "expired_token" && self.localizedDescription == "mfa_token is expired" || self.code == "invalid_grant" && self.localizedDescription == "Malformed mfa_token"
+        return self.code == "expired_token" && self.localizedDescription == "mfa_token is expired"
+            || self.code == "invalid_grant" && self.localizedDescription == "Malformed mfa_token"
     }
 
     /// When the password used for signup does not match the strength requirements of the connection.
diff --git a/Auth0Tests/AuthenticationErrorSpec.swift b/Auth0Tests/AuthenticationErrorSpec.swift
index 7313dd36..3c3b3e18 100644
--- a/Auth0Tests/AuthenticationErrorSpec.swift
+++ b/Auth0Tests/AuthenticationErrorSpec.swift
@@ -283,7 +283,7 @@ class AuthenticationErrorSpec: QuickSpec {
                 expect(error.isMultifactorEnrollRequired) == true
             }
 
-            it("should detect mfa invalid code") {
+            it("should detect mfa invalid otp code") {
                 let values = [
                     "error": "a0.mfa_invalid_code",
                     "error_description": "Wrong or expired code."
@@ -292,7 +292,7 @@ class AuthenticationErrorSpec: QuickSpec {
                 expect(error.isMultifactorCodeInvalid) == true
             }
 
-            it("should detect mfa invalid code oidc") {
+            it("should detect mfa invalid otp code oidc") {
                 let values = [
                     "error": "invalid_grant",
                     "error_description": "Invalid otp_code."
@@ -301,6 +301,24 @@ class AuthenticationErrorSpec: QuickSpec {
                 expect(error.isMultifactorCodeInvalid) == true
             }
 
+            it("should detect mfa invalid binding code") {
+                let values = [
+                    "error": "invalid_grant",
+                    "error_description": "Invalid binding_code."
+                ]
+                let error = AuthenticationError(info: values, statusCode: 401)
+                expect(error.isMultifactorCodeInvalid) == true
+            }
+
+            it("should detect mfa invalid recovery code") {
+                let values = [
+                    "error": "invalid_grant",
+                    "error_description": "MFA Authorization rejected."
+                ]
+                let error = AuthenticationError(info: values, statusCode: 401)
+                expect(error.isMultifactorCodeInvalid) == true
+            }
+
             it("should detect too many attempts") {
                 let values = [
                     "error": "too_many_attempts",