diff --git a/ESP32_AP-Flasher/src/web.cpp b/ESP32_AP-Flasher/src/web.cpp
index f724b7a5..183d9e03 100644
--- a/ESP32_AP-Flasher/src/web.cpp
+++ b/ESP32_AP-Flasher/src/web.cpp
@@ -603,7 +603,7 @@ void init_web() {
             config.preview = static_cast<uint8_t>(request->getParam("preview", true)->value().toInt());
         }
         if (request->hasParam("nightlyreboot", true)) {
-            config.preview = static_cast<uint8_t>(request->getParam("nightlyreboot", true)->value().toInt());
+            config.nightlyreboot = static_cast<uint8_t>(request->getParam("nightlyreboot", true)->value().toInt());
         }
         if (request->hasParam("lock", true)) {
             config.lock = static_cast<uint8_t>(request->getParam("lock", true)->value().toInt());