diff --git a/miku/plugins/ibSearch.lua b/miku/plugins/ibSearch.lua
index bda61f4..644d5ad 100644
--- a/miku/plugins/ibSearch.lua
+++ b/miku/plugins/ibSearch.lua
@@ -49,7 +49,7 @@ end
 function ibSearch:action(msg, config, matches)
 	local tag = string.gsub(matches[2], " ", '_')
 	local tag = string.gsub(tag, ":", '%%3A')
-	local tag = string.gsub(tag, "+", '%%2B')
+	local tag = string.gsub(tag, "+", '%%20')
 	if matches[1] == 'ibsearch' then
       url, id = ibSearch:get_ibSearch_sfw(tag)
     elseif matches[1] == 'ibnsfw' then