diff --git a/autoload/ddc.vim b/autoload/ddc.vim
index 30e5087..ba5bf89 100644
--- a/autoload/ddc.vim
+++ b/autoload/ddc.vim
@@ -14,7 +14,6 @@ function ddc#enable_cmdline_completion() abort
           \ |   call ddc#on_event('CmdlineChanged')
           \ | endif
     autocmd ModeChanged c:n call s:disable_cmdline_completion()
-    autocmd ModeChanged *:i call ddc#on_event('InsertEnter')
   augroup END
 
   let b:ddc_cmdline_completion = v:true
diff --git a/denops/ddc/ddc.ts b/denops/ddc/ddc.ts
index ef044d9..d3507e7 100644
--- a/denops/ddc/ddc.ts
+++ b/denops/ddc/ddc.ts
@@ -98,6 +98,9 @@ export class Ddc {
         "TextChangedI",
         "TextChangedP",
       ]);
+      await denops.cmd(
+        "autocmd ddc ModeChanged *:i call ddc#on_event('InsertEnter')"
+      );
       await denops.cmd(
         "autocmd ddc CmdlineChanged * " +
           ": if getcmdtype() ==# '=' || getcmdtype() ==# '@'" +