diff --git a/PasscodeLock/PasscodeLock/PasscodeLock.swift b/PasscodeLock/PasscodeLock/PasscodeLock.swift
index a6ca8372..9f26b65f 100644
--- a/PasscodeLock/PasscodeLock/PasscodeLock.swift
+++ b/PasscodeLock/PasscodeLock/PasscodeLock.swift
@@ -68,7 +68,12 @@ public class PasscodeLock: PasscodeLockType {
         guard isTouchIDAllowed else { return }
         
         let context = LAContext()
-        let reason = localizedStringFor("PasscodeLockTouchIDReason", comment: "TouchID authentication reason")
+        let reason: String
+        if let configReason = configuration.touchIdReason {
+            reason = configReason
+        } else {
+            reason = localizedStringFor("PasscodeLockTouchIDReason", comment: "TouchID authentication reason")
+        }
 
         context.localizedFallbackTitle = localizedStringFor("PasscodeLockTouchIDButton", comment: "TouchID authentication fallback button")
         
diff --git a/PasscodeLock/Protocols/PasscodeLockConfigurationType.swift b/PasscodeLock/Protocols/PasscodeLockConfigurationType.swift
index af4c27c1..ec158e75 100644
--- a/PasscodeLock/Protocols/PasscodeLockConfigurationType.swift
+++ b/PasscodeLock/Protocols/PasscodeLockConfigurationType.swift
@@ -14,5 +14,6 @@ public protocol PasscodeLockConfigurationType {
     var passcodeLength: Int {get}
     var isTouchIDAllowed: Bool {get set}
     var shouldRequestTouchIDImmediately: Bool {get}
+    var touchIdReason: String? {get set}
     var maximumInccorectPasscodeAttempts: Int {get}
 }
diff --git a/PasscodeLockTests/Fakes/FakePasscodeLockConfiguration.swift b/PasscodeLockTests/Fakes/FakePasscodeLockConfiguration.swift
index 1cae5788..46c871bc 100644
--- a/PasscodeLockTests/Fakes/FakePasscodeLockConfiguration.swift
+++ b/PasscodeLockTests/Fakes/FakePasscodeLockConfiguration.swift
@@ -15,6 +15,7 @@ class FakePasscodeLockConfiguration: PasscodeLockConfigurationType {
     var isTouchIDAllowed = false
     let maximumInccorectPasscodeAttempts = 3
     let shouldRequestTouchIDImmediately = false
+    var touchIdReason: String? = nil
     
     init(repository: PasscodeRepositoryType) {