diff --git a/src/EspSimpleRemoteUpdate.h b/src/EspSimpleRemoteUpdate.h
index dc8a006..000ac01 100644
--- a/src/EspSimpleRemoteUpdate.h
+++ b/src/EspSimpleRemoteUpdate.h
@@ -77,7 +77,7 @@ class EspSimpleRemoteUpdate {
         }
     }
 
-    void enableOTA(const char* password, const uint16_t port = 0) {
+    void enableOTA(const char* password = NULL, const uint16_t port = 0) {
         if(_enableDebugMessages)
             Serial.printf("UPDATER: Enabling Arduino OTA ...\n");