diff --git a/runtime/optwin.vim b/runtime/optwin.vim
index 8306ed3..99b1ecf 100644
--- a/runtime/optwin.vim
+++ b/runtime/optwin.vim
@@ -849,6 +849,8 @@
   call <SID>OptionL("cpt")
   call <SID>AddOption("completeopt", gettext("whether to use a popup menu for Insert mode completion"))
   call <SID>OptionL("cot")
+  call <SID>AddOption("completeitemalign", gettext("popup menu item align order"))
+  call <SID>OptionG("cia", &cia)
   if exists("+completepopup")
     call <SID>AddOption("completepopup", gettext("options for the Insert mode completion info popup"))
     call <SID>OptionG("cpp", &cpp)