diff --git a/autoload/vimspector/internal/channel.vim b/autoload/vimspector/internal/channel.vim
index 9f39be063..7c775d63b 100644
--- a/autoload/vimspector/internal/channel.vim
+++ b/autoload/vimspector/internal/channel.vim
@@ -88,7 +88,7 @@ function! vimspector#internal#channel#StartDebugSession(
           \              )
   endif
 
-  let l:addr = get( a:config, 'host', '127.0.0.1' ) . ':' . a:config[ 'port' ]
+  let l:addr = get( a:config, 'host', 'localhost' ) . ':' . a:config[ 'port' ]
 
   echo 'Connecting to ' . l:addr . '... (waiting for up to 10 seconds)'
   " FIXME: This _always_ waits 10s; the neochannel version is quicker
diff --git a/autoload/vimspector/internal/neochannel.vim b/autoload/vimspector/internal/neochannel.vim
index 81c002b49..9983055df 100644
--- a/autoload/vimspector/internal/neochannel.vim
+++ b/autoload/vimspector/internal/neochannel.vim
@@ -73,7 +73,7 @@ function! vimspector#internal#neochannel#StartDebugSession(
     endtry
   endif
 
-  let l:addr = get( a:config, 'host', '127.0.0.1' ) . ':' . a:config[ 'port' ]
+  let l:addr = get( a:config, 'host', 'localhost' ) . ':' . a:config[ 'port' ]
 
   let attempt = 1
   while attempt <= 10
diff --git a/docs/schema/vimspector.schema.json b/docs/schema/vimspector.schema.json
index 6445d577e..1bf4db385 100644
--- a/docs/schema/vimspector.schema.json
+++ b/docs/schema/vimspector.schema.json
@@ -239,7 +239,7 @@
           "properties": {
             "host": {
               "type": "string",
-              "default": "127.0.0.1",
+              "default": "localhost",
               "description": "Connect to this host in multi-session mode"
             },
             "port": {