3 files changed, 4 insertions, 4 deletions

diff --git a/src/FbTk/Menu.cc b/src/FbTk/Menu.cc
index 40f81c8..e52b4dd 100644
--- a/src/FbTk/Menu.cc
+++ b/src/FbTk/Menu.cc
@@ -219,7 +219,7 @@ Menu::~Menu() {
         s_focused = 0;
 }
 
-int Menu::insert(const FbString &label, RefCount<Command<void> > &cmd, int pos) {
+int Menu::insert(const FbString &label, const RefCount<Command<void> > &cmd, int pos) {
     return insert(new MenuItem(label, cmd, this), pos);
 }
 
diff --git a/src/FbTk/Menu.hh b/src/FbTk/Menu.hh
index bd830b4..4096295 100644
--- a/src/FbTk/Menu.hh
+++ b/src/FbTk/Menu.hh
@@ -61,7 +61,7 @@ public:
     */
     //@{
     /// add a menu item with a label and a command
-    int insert(const FbString &label, RefCount<Command<void> > &cmd, int pos=-1);
+    int insert(const FbString &label, const RefCount<Command<void> > &cmd, int pos=-1);
     /// add empty menu item
     int insert(const FbString &label, int pos=-1);
     /// add submenu
diff --git a/src/FbTk/MenuItem.hh b/src/FbTk/MenuItem.hh
index 2149559..cc24228 100644
--- a/src/FbTk/MenuItem.hh
+++ b/src/FbTk/MenuItem.hh
@@ -69,7 +69,7 @@ public:
           m_toggle_item(false)
     { }
     /// create a menu item with a specific command to be executed on click
-    MenuItem(const BiDiString &label, RefCount<Command<void> > &cmd, Menu *menu = 0)
+    MenuItem(const BiDiString &label, const RefCount<Command<void> > &cmd, Menu *menu = 0)
         : m_label(label),
           m_menu(menu),
           m_submenu(0),
@@ -91,7 +91,7 @@ public:
     { }
     virtual ~MenuItem() { }
 
-    void setCommand(RefCount<Command<void> > &cmd) { m_command = cmd; }
+    void setCommand(const RefCount<Command<void> > &cmd) { m_command = cmd; }
     virtual void setSelected(bool selected) { m_selected = selected; }
     virtual void setEnabled(bool enabled) { m_enabled = enabled; }
     virtual void setLabel(const BiDiString &label) { m_label = label; }