1 files changed, 1 insertions, 1 deletions
diff --git a/Sluift/Terminal.h b/Sluift/Terminal.h
index 9d44095..3443d16 100644
--- a/Sluift/Terminal.h
+++ b/Sluift/Terminal.h
@@ -1,36 +1,36 @@
 /*
  * Copyright (c) 2013-2016 Isode Limited.
  * All rights reserved.
  * See the COPYING file for more information.
  */
 
 #pragma once
 
 #include <string>
 
-#include <boost/optional/optional_fwd.hpp>
+#include <boost/optional/optional.hpp>
 
 namespace Swift {
     class Completer;
 
     class Terminal {
         public:
             Terminal();
             virtual ~Terminal();
 
             Completer* getCompleter() const {
                 return completer;
             }
 
             void setCompleter(Completer* completer) {
                 this->completer = completer;
             }
 
             virtual boost::optional<std::string> readLine(const std::string& prompt) = 0;
             virtual void addToHistory(const std::string& command) = 0;
             virtual void printError(const std::string& message) = 0;
 
         private:
             Completer* completer;
     };
 }