diff --git a/esphome/components/captive_portal/captive_portal.cpp b/esphome/components/captive_portal/captive_portal.cpp
index 97ae83ed05..17ee53a7a0 100644
--- a/esphome/components/captive_portal/captive_portal.cpp
+++ b/esphome/components/captive_portal/captive_portal.cpp
@@ -45,8 +45,8 @@ void CaptivePortal::handle_config(AsyncWebServerRequest *request) {
   request->send(stream);
 }
 void CaptivePortal::handle_wifisave(AsyncWebServerRequest *request) {
-  std::string ssid = request->arg("ssid").c_str();
-  std::string psk = request->arg("psk").c_str();
+  std::string ssid = request->arg("ssid");
+  std::string psk = request->arg("psk");
   ESP_LOGI(TAG, "Requested WiFi Settings Change:");
   ESP_LOGI(TAG, "  SSID='%s'", ssid.c_str());
   ESP_LOGI(TAG, "  Password=" LOG_SECRET("'%s'"), psk.c_str());