diff --git a/src/main.cpp b/src/main.cpp
index 0dcc846..b06655c 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -256,6 +256,7 @@ static void publish_faults_if_needed(const char *device_id, const FaultCounters
 
 #ifdef ARDUINO_ARCH_ESP32
 static void watchdog_init() {
+  esp_task_wdt_deinit();
   esp_task_wdt_config_t config = {};
   config.timeout_ms = WATCHDOG_TIMEOUT_SEC * 1000;
   config.idle_core_mask = 0;