1 files changed, 1 insertions, 1 deletions
diff --git a/Swiften/SASL/ClientAuthenticator.h b/Swiften/SASL/ClientAuthenticator.h
index f93f44e..f42a51e 100644
--- a/Swiften/SASL/ClientAuthenticator.h
+++ b/Swiften/SASL/ClientAuthenticator.h
@@ -1,43 +1,43 @@
 #pragma once
 
 #include "Swiften/Base/String.h"
 #include "Swiften/Base/ByteArray.h"
 
 namespace Swift {
 	class ClientAuthenticator {
 		public:
 			ClientAuthenticator(const String& name);
 			virtual ~ClientAuthenticator();
 
 			const String& getName() const {
 				return name;
 			}
 
 			void setCredentials(const String& authcid, const String& password, const String& authzid = String()) {
 				this->authcid = authcid;
 				this->password = password;
 				this->authzid = authzid;
 			}
 
-			virtual ByteArray getResponse() = 0;
+			virtual ByteArray getResponse() const = 0;
 			virtual bool setChallenge(const ByteArray&) = 0;
 
 			const String& getAuthenticationID() const {
 				return authcid;
 			}
 
 			const String& getAuthorizationID() const {
 				return authzid;
 			}
 
 			const String& getPassword() const {
 				return password;
 			}
 		
 		private:
 			String name;
 			String authcid;
 			String password;
 			String authzid;
 	};
 }