diff --git a/web/frontend/src/features/chat/tool-calls.ts b/web/frontend/src/features/chat/tool-calls.ts
index c3b9b4777..bf306c5e5 100644
--- a/web/frontend/src/features/chat/tool-calls.ts
+++ b/web/frontend/src/features/chat/tool-calls.ts
@@ -12,9 +12,9 @@ function parseLegacyToolFeedbackContent(
 
   const toolName = match[1]?.trim() ?? ""
   const body = match[2]?.trim() ?? ""
-  const codeFence = /```(?:json)?\n([\s\S]*?)\n```/m.exec(body)
+  const codeFence = /```(?:json)?\r?\n([\s\S]*?)\r?\n```/m.exec(body)
   const argumentsText = codeFence?.[1]?.trim() ?? ""
-  const explanation = body.replace(/```(?:json)?\n[\s\S]*?\n```/gm, "").trim()
+  const explanation = body.replace(/```(?:json)?\r?\n[\s\S]*?\r?\n```/gm, "").trim()
 
   return [
     {