diff --git a/README.md b/README.md
index 43874c0..5b101b5 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ dotfiles repo.
 
 ```lua
 vim.pack.add({
-    { src = "https://git.housh.dev/michael/shortenurl.nvm" },
+    { src = "https://git.housh.dev/michael/shortenurl.nvim" },
 })
 ```
 
diff --git a/lua/shortenurl/init.lua b/lua/shortenurl/init.lua
index 23e9049..5cb2e2d 100644
--- a/lua/shortenurl/init.lua
+++ b/lua/shortenurl/init.lua
@@ -49,16 +49,24 @@ shortenurl.prompt = function(s)
 	return cmd
 end
 
+-- Run the command and return the short url as a string.
+local function runCmd(cmd)
+	local output = trimNewline(vim.fn.system(cmd))
+	if not output or output == "" then
+		return
+	end
+	return trimQuotes(output)
+end
+
 -- Convert url on the current line.
 shortenurl.convertUrl = function()
 	local url = get_url()
 	local cmd = shortenurl.prompt(url)
-	local output = trimNewline(vim.fn.system(cmd))
-	if output == "" then
+	local output = runCmd(cmd)
+	if not output or output == "" then
 		print("Got empty output")
 		return
 	end
-	output = trimQuotes(output)
 	-- Replace occurence of the url with the shortened url.
 	vim.cmd(":%s/" .. vim.fn.escape(url, "/") .. "/" .. vim.fn.escape(output, "/"))
 end
@@ -67,7 +75,7 @@ end
 shortenurl.convertFromClipboard = function()
 	local url = trimNewline(vim.fn.system("wl-paste"))
 	local cmd = shortenurl.prompt(url)
-	local output = trimNewline(vim.fn.system(cmd))
+	local output = runCmd(cmd)
 	if not output or output == "" then
 		print("Got empty output")
 		return