diff --git a/main/User_config.h b/main/User_config.h
index 136a2f610f..859c7df49e 100644
--- a/main/User_config.h
+++ b/main/User_config.h
@@ -148,7 +148,9 @@ const byte mac[] = {0xDE, 0xED, 0xBA, 0xFE, 0x54, 0x95}; //W5100 ethernet shield
 #  define mqtt_topic_max_size 150
 #  ifndef mqtt_max_packet_size
 #    ifdef MQTT_HTTPS_FW_UPDATE
-#      define CHECK_OTA_UPDATE     true // enable to check for the presence of a new version for your environment on Github
+#      ifndef CHECK_OTA_UPDATE
+#        define CHECK_OTA_UPDATE true // enable to check for the presence of a new version for your environment on Github
+#      endif
 #      define mqtt_max_packet_size 2560
 #    else
 #      define mqtt_max_packet_size 1024
diff --git a/main/main.ino b/main/main.ino
index 020ada33ba..e47f254583 100644
--- a/main/main.ino
+++ b/main/main.ino
@@ -2365,7 +2365,7 @@ String latestVersion;
 
 #    include "zzHTTPUpdate.h"
 
-#    ifdef CHECK_OTA_UPDATE
+#    if CHECK_OTA_UPDATE
 /**
  * Check on a server the latest version information to build a releaseLink
  * The release link will be used when the user trigger an OTA update command