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
@@ -16,13 +16,13 @@ namespace Swift {
 			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;
 			}