diff --git a/lua/sourcer/init.lua b/lua/sourcer/init.lua
index 3612b9f..9ebcda4 100644
--- a/lua/sourcer/init.lua
+++ b/lua/sourcer/init.lua
@@ -3,6 +3,8 @@ local M = {}
 function M.lookup()
 	local keywords = vim.fn.getreg("*") -- receive yanked text
 	local url = "https://dl.acm.org/action/doSearch?AllField=" .. keywords
+	url = url:sub(2, #url)
+	url, empty = url:gsub(" ", "+")
 
 	-- Setup a http socket and request
 	local command = string.format("curl -s '%s'", url)