2 files changed, 4 insertions, 2 deletions
diff --git a/src/gui/windows/okdialog.cpp b/src/gui/windows/okdialog.cpp
index 99c908563..93739ba26 100644
--- a/src/gui/windows/okdialog.cpp
+++ b/src/gui/windows/okdialog.cpp
@@ -34,7 +34,8 @@
 
 #include "debug.h"
 
-OkDialog::OkDialog(const std::string &title, const std::string &msg,
+OkDialog::OkDialog(const std::string &restrict title,
+                   const std::string &restrict msg,
                    const int soundEvent, const bool modal,
                    const bool showCenter, Window *const parent,
                    const int minWidth) :
diff --git a/src/gui/windows/okdialog.h b/src/gui/windows/okdialog.h
index f12100b9b..c33400c34 100644
--- a/src/gui/windows/okdialog.h
+++ b/src/gui/windows/okdialog.h
@@ -52,7 +52,8 @@ class OkDialog final : public Window,
          *
          * @see Window::Window
          */
-        OkDialog(const std::string &title, const std::string &msg,
+        OkDialog(const std::string &restrict title,
+                 const std::string &restrict msg,
                  const int soundEvent = DIALOG_OK, const bool modal = true,
                  const bool showCenter = true, Window *const parent = nullptr,
                  const int minWidth = 260);