diff --git a/src/client/nvim/codemp.lua b/src/client/nvim/codemp.lua
index 405f61d..3e75531 100644
--- a/src/client/nvim/codemp.lua
+++ b/src/client/nvim/codemp.lua
@@ -27,7 +27,7 @@ local function hook_callbacks(path, buffer)
 		}
 	)
 	vim.api.nvim_create_autocmd(
-		{ "CursorMoved" },
+		{ "CursorMoved", "CursorMovedI" },
 		{
 			callback = function(_)
 				local cursor = vim.api.nvim_win_get_cursor(0)
@@ -49,7 +49,6 @@ local function unhook_callbacks(buffer)
 	vim.keymap.del('i', '<CR>',  { buffer = buffer })
 end
 
-
 vim.api.nvim_create_user_command('Connect',
 	function(args)
 		if M.jobid ~= nil then
@@ -71,6 +70,9 @@ vim.api.nvim_create_user_command('Connect',
 				on_stderr = function(_, data, _) print(vim.fn.join(data, "\n")) end,
 			}
 		)
+		if M.jobid <= 0 then
+			print("[!] could not start codemp client")
+		end
 	end,
 { nargs='?', bang=true })
 
@@ -83,6 +85,10 @@ vim.api.nvim_create_user_command('Stop',
 
 vim.api.nvim_create_user_command('Share',
 	function(args)
+		if M.jobid <= 0 then
+			print("[!] connect to codemp server first")
+			return
+		end
 		local path = args.fargs[1]
 		local bufnr = vim.api.nvim_get_current_buf()
 		local lines = vim.api.nvim_buf_get_lines(bufnr, 0, -1, false)
@@ -95,6 +101,10 @@ vim.api.nvim_create_user_command('Share',
 
 vim.api.nvim_create_user_command('Join',
 	function(args)
+		if M.jobid <= 0 then
+			print("[!] connect to codemp server first")
+			return
+		end
 		local path = args.fargs[1]
 		local bufnr = vim.api.nvim_get_current_buf()
 		hook_callbacks(path, bufnr)
diff --git a/src/client/nvim/main.rs b/src/client/nvim/main.rs
index 8b46e49..6ec0362 100644
--- a/src/client/nvim/main.rs
+++ b/src/client/nvim/main.rs
@@ -164,10 +164,7 @@ impl Handler for NeovimHandler {
 						if let Err(e) = _b.clear_namespace(ns, 0, -1).await {
 							error!("could not clear previous cursor highlight: {}", e);
 						}
-						if let Err(e) = _b.add_highlight(
-							ns, "ErrorMsg",
-							cur.row as i64 - 1, cur.col as i64 - 1, cur.col as i64
-						).await {
+						if let Err(e) = _b.add_highlight(ns, "ErrorMsg", cur.row-1, cur.col, cur.col+1).await {
 							error!("could not create highlight for cursor: {}", e);
 						}
 					});