diff --git a/libraries/ArduinoOTA/ArduinoOTA.cpp b/libraries/ArduinoOTA/ArduinoOTA.cpp
index 3c6acd943..e3f13cfe3 100644
--- a/libraries/ArduinoOTA/ArduinoOTA.cpp
+++ b/libraries/ArduinoOTA/ArduinoOTA.cpp
@@ -152,7 +152,7 @@ int ArduinoOTAClass::parseInt(){
       data[index++] = '\0';
       return atoi(data);
     }
-    data[index++] = _udp_ota->read();
+    data[index] = _udp_ota->read();
   }
   return 0;
 }