diff --git a/freqtrade/constants.py b/freqtrade/constants.py
index 2fcb957a3..62b0f83be 100644
--- a/freqtrade/constants.py
+++ b/freqtrade/constants.py
@@ -64,7 +64,7 @@ USERPATH_FREQAIMODELS = 'freqaimodels'
 TELEGRAM_SETTING_OPTIONS = ['on', 'off', 'silent']
 WEBHOOK_FORMAT_OPTIONS = ['form', 'json', 'raw']
 FULL_DATAFRAME_THRESHOLD = 100
-CUSTOM_TAG_MAX_LENGTH = 100
+CUSTOM_TAG_MAX_LENGTH = 255
 
 ENV_VAR_PREFIX = 'FREQTRADE__'