diff --git a/lua/jquote/init.lua b/lua/jquote/init.lua
index 16f359c..7a8bd97 100644
--- a/lua/jquote/init.lua
+++ b/lua/jquote/init.lua
@@ -10,7 +10,9 @@ M.options = {
 function M.setup(user_options)
     if user_options and type(user_options) == "table" then
         for k, v in pairs(user_options) do
-            M.options[k] = v
+            if v ~= nil then
+                M.options[k] = v
+            end
         end
     end