diff --git a/src/main.cpp b/src/main.cpp
index 06d880f..4e3b81a 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -194,7 +194,12 @@ void setup() {
       if (runMode == RunMode::storageMode) {
         // If we are in storage mode, just go back to sleep
         Log.notice(F("Main: Storage mode entered, going to sleep for maximum time." CR));
+#if defined(ESP8266)
         ESP.deepSleep(ESP.deepSleepMax());
+#else
+        #warning "Check and test the max deep sleep for esp32"
+        deepSleep(70*60); // quick search on internet suggest max time is 70 min
+#endif        
       }
 
 #if defined(ESP32)