diff --git a/platformio.ini b/platformio.ini
index 586388f..5a16927 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -14,6 +14,9 @@ platform = espressif32
 framework = arduino
 board = lolin_d32_pro
 
+;powersave
+board_build.f_cpu = 160000000L
+
 build_flags =
     -DLOG_DEFAULT_LEVEL=ESP_LOG_VERBOSE
     -DLOG_LOCAL_LEVEL=ESP_LOG_VERBOSE
diff --git a/src/main.cpp b/src/main.cpp
index 2caf631..46c4aa0 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -523,6 +523,8 @@ void setup()
     ota.update();
   }
 
+  WiFi.setSleep(true);
+
   ESP_LOGD(TAG, "connecting to MQTT");
   mqtt.begin();