diff --git a/config.cpp b/config.cpp
index 38ecac64..221e0685 100644
--- a/config.cpp
+++ b/config.cpp
@@ -605,7 +605,7 @@ void edit_sightrange() {
     };
   }
 
-void menuitem_sightrange(char c = 'r') {
+void menuitem_sightrange(char c) {
   if(vid.use_smart_range)
     dialog::addSelItem(XLAT("minimum visible cell in pixels"), fts(vid.smart_range_detail), c);
   else
diff --git a/hyper.h b/hyper.h
index dde1b073..44273fac 100644
--- a/hyper.h
+++ b/hyper.h
@@ -4296,5 +4296,7 @@ namespace brownian {
 void enable_cheat();
 
 extern int cells_drawn;
+
+void menuitem_sightrange(char c = 'r');
 }