diff --git a/frappe/website/utils.py b/frappe/website/utils.py
index 5dca169bc0..7ea118824a 100644
--- a/frappe/website/utils.py
+++ b/frappe/website/utils.py
@@ -559,7 +559,7 @@ def build_response(path, data, http_status_code, headers: dict | None = None):
 
 	if headers:
 		for key, val in headers.items():
-			response.headers[key] = cstr(cstr(val).encode("ascii", errors="xmlcharrefreplace"))
+			response.headers[key] = cstr(cstr(val).encode("utf-8", errors="xmlcharrefreplace"))
 
 	return response