diff --git a/src/ltui/boxdialog.lua b/src/ltui/boxdialog.lua
index d9ab03f..184b9e8 100644
--- a/src/ltui/boxdialog.lua
+++ b/src/ltui/boxdialog.lua
@@ -68,7 +68,7 @@ function boxdialog:init(name, bounds, title)
     if curses.KEY_MOUSE then
 
         -- set click action
-        self:frame():action_set(ltui.action.ac_on_clicked, function (v, x, y)
+        self:frame():action_set(action.ac_on_clicked, function (v, x, y)
 
             -- return if not mouseable
             if not v:option("mouseable") then
@@ -87,7 +87,7 @@ function boxdialog:init(name, bounds, title)
                     box:bounds():contains(px, py) then
 
                 -- bypass panel
-                return box:action_on(ltui.action.ac_on_clicked, px, py)
+                return box:action_on(action.ac_on_clicked, px, py)
             end
 
             -- return true if it doesn't match any selectable view
diff --git a/src/ltui/button.lua b/src/ltui/button.lua
index ca688d9..d6858ac 100644
--- a/src/ltui/button.lua
+++ b/src/ltui/button.lua
@@ -38,28 +38,31 @@ function button:init(name, bounds, text, on_action)
     -- mark as selectable
     self:option_set("selectable", true)
 
-    -- mark as mouseable
-    self:option_set("mouseable", true)
-
-    -- set click action
-    self:action_set(ltui.action.ac_on_clicked, function (v)
-
-        -- return if not mouseable
-        if not v:option("mouseable") then
-            return
-        end
-
-        if v:parent()._do_select then
-            return v:parent():_do_select()
-        end
-        return v:action_on(ltui.action.ac_on_enter)
-    end)
-
     -- show cursor
     self:cursor_show(true)
 
     -- init action
     self:action_set(action.ac_on_enter, on_action)
+
+    if curses.KEY_MOUSE then
+
+        -- mark as mouseable
+        self:option_set("mouseable", true)
+
+        -- set click action
+        self:action_set(action.ac_on_clicked, function (v)
+
+            -- return if not mouseable
+            if not v:option("mouseable") then
+                return
+            end
+
+            if v:parent()._do_select then
+                return v:parent():_do_select()
+            end
+            return v:action_on(action.ac_on_enter)
+        end)
+    end
 end
 
 -- draw button
diff --git a/src/ltui/panel.lua b/src/ltui/panel.lua
index d105287..89da183 100644
--- a/src/ltui/panel.lua
+++ b/src/ltui/panel.lua
@@ -67,7 +67,7 @@ function panel:init(name, bounds)
 
             -- try focused first
             if v:current() and v:current():bounds():contains(x, y) then
-                return v:current():action_on(ltui.action.ac_on_clicked, x, y)
+                return v:current():action_on(action.ac_on_clicked, x, y)
             end
 
             local p = v:last()