1 files changed, 3 insertions, 1 deletions
diff --git a/src/gui/widgets/textfield.h b/src/gui/widgets/textfield.h
index 93f970168..e530cfef2 100644
--- a/src/gui/widgets/textfield.h
+++ b/src/gui/widgets/textfield.h
@@ -25,6 +25,8 @@
 
 #include <guichan/widgets/textfield.hpp>
 
+#include "localconsts.h"
+
 class ImageRect;
 class TextField;
 
@@ -40,7 +42,7 @@ class TextField : public gcn::TextField
          * Constructor, initializes the text field with the given string.
          */
         TextField(const std::string &text = "", bool loseFocusOnTab = true,
-                  gcn::ActionListener* listener = NULL,
+                  gcn::ActionListener* listener = nullptr,
                   std::string eventId = "", bool sendAlwaysEvents = false);
 
         ~TextField();