diff --git a/rc.lua.blackburn b/rc.lua.blackburn
index 9074747..50f0e8b 100644
--- a/rc.lua.blackburn
+++ b/rc.lua.blackburn
@@ -117,7 +117,7 @@ gray   = "#9E9C9A"
 mytextclock = awful.widget.textclock(" %H:%M ")
 
 -- Calendar
-lain.widgets.calendar:attach(mytextclock)
+lain.widgets.calendar.attach(mytextclock)
 
 --[[ Mail IMAP check
 -- commented because it needs to be set before use
diff --git a/rc.lua.copland b/rc.lua.copland
index 62b56e3..69a7ae7 100644
--- a/rc.lua.copland
+++ b/rc.lua.copland
@@ -130,7 +130,7 @@ green  = "#8FEB8F"
 mytextclock = awful.widget.textclock("<span font='Tamsyn 5'> </span>%H:%M ")
 
 -- Calendar
-lain.widgets.calendar:attach(mytextclock)
+lain.widgets.calendar.attach(mytextclock)
 
 --[[ Mail IMAP check
 -- commented because it needs to be set before use
diff --git a/rc.lua.dremora b/rc.lua.dremora
index 0501469..9696649 100644
--- a/rc.lua.dremora
+++ b/rc.lua.dremora
@@ -119,7 +119,7 @@ mytextclock = awful.widget.textclock(markup(gray, " %a")
 .. markup(white, " %d ") .. markup(gray, "%b ") ..  markup(white, "%H:%M "))
 
 -- Calendar
-lain.widgets.calendar:attach(mytextclock, { fg = white })
+lain.widgets.calendar.attach(mytextclock, { fg = white })
 
 --[[ Mail IMAP check
 -- commented because it needs to be set before use
diff --git a/rc.lua.holo b/rc.lua.holo
index 8139d2f..8764d52 100644
--- a/rc.lua.holo
+++ b/rc.lua.holo
@@ -133,7 +133,7 @@ calendar_icon:set_image(beautiful.calendar)
 calendarwidget = wibox.widget.background()
 calendarwidget:set_widget(mytextcalendar)
 calendarwidget:set_bgimage(beautiful.widget_bg)
-lain.widgets.calendar:attach(calendarwidget, { fg = "#FFFFFF", position = "bottom_right" })
+lain.widgets.calendar.attach(calendarwidget, { fg = "#FFFFFF", position = "bottom_right" })
 
 --[[ Mail IMAP check
 -- commented because it needs to be set before use
diff --git a/rc.lua.multicolor b/rc.lua.multicolor
index 8eecfb5..63b4683 100644
--- a/rc.lua.multicolor
+++ b/rc.lua.multicolor
@@ -136,7 +136,7 @@ mytextclock = lain.widgets.abase({
 })
 
 -- Calendar
-lain.widgets.calendar:attach(mytextclock, { font_size = 10 })
+lain.widgets.calendar.attach(mytextclock, { font_size = 10 })
 
 -- Weather
 weathericon = wibox.widget.imagebox(beautiful.widget_weather)
diff --git a/rc.lua.powerarrow-darker b/rc.lua.powerarrow-darker
index 837a49e..aa9a8d6 100644
--- a/rc.lua.powerarrow-darker
+++ b/rc.lua.powerarrow-darker
@@ -130,7 +130,7 @@ mytextclock = lain.widgets.abase({
 })
 
 -- calendar
-lain.widgets.calendar:attach(mytextclock, { font_size = 10 })
+lain.widgets.calendar.attach(mytextclock, { font_size = 10 })
 
 -- Mail IMAP check
 mailicon = wibox.widget.imagebox(beautiful.widget_mail)
diff --git a/rc.lua.rainbow b/rc.lua.rainbow
index 200f3a5..cbcd415 100644
--- a/rc.lua.rainbow
+++ b/rc.lua.rainbow
@@ -125,7 +125,7 @@ mytextclock = awful.widget.textclock(markup.font("Tamsyn 3", " ") ..
                                      markup(white, " %H:%M "))
 
 -- Calendar
-lain.widgets.calendar:attach(mytextclock, { fg = beautiful.fg_focus })
+lain.widgets.calendar.attach(mytextclock, { fg = beautiful.fg_focus })
 
 --[[ Mail IMAP check
 -- commented because it needs to be set before use
diff --git a/rc.lua.steamburn b/rc.lua.steamburn
index 0a0f1c9..75da561 100644
--- a/rc.lua.steamburn
+++ b/rc.lua.steamburn
@@ -122,7 +122,7 @@ gray   = "#94928F"
 mytextclock = awful.widget.textclock(" %H:%M ")
 
 -- Calendar
-lain.widgets.calendar:attach(mytextclock)
+lain.widgets.calendar.attach(mytextclock)
 
 -- Mail IMAP check
 mailwidget = lain.widgets.imap({