diff --git a/lua/avante/llm.lua b/lua/avante/llm.lua
index 55f6958..4cabc8a 100644
--- a/lua/avante/llm.lua
+++ b/lua/avante/llm.lua
@@ -324,8 +324,8 @@ end
 local function _merge_response(first_response, second_response, opts)
   local prompt = "\n" .. Config.dual_boost.prompt
   prompt = prompt
-    :gsub("{{[%s]*provider1_output[%s]*}}", first_response)
-    :gsub("{{[%s]*provider2_output[%s]*}}", second_response)
+    :gsub("{{[%s]*provider1_output[%s]*}}", function() return first_response end)
+    :gsub("{{[%s]*provider2_output[%s]*}}", function() return second_response end)
 
   prompt = prompt .. "\n"