diff --git a/kisstron.py b/kisstron.py
index 2f2129c..59595d6 100755
--- a/kisstron.py
+++ b/kisstron.py
@@ -32,7 +32,7 @@ import mnemonic, eth_utils
 
 # some global parameters (hardcoded)
 KT_TIMEOUT = 20.0 # network operation timeout
-KT_FEE_LIMIT = 10000000 # transaction fee limit for mainnet (in Sun)
+KT_FEE_LIMIT = 100000000 # transaction fee limit for mainnet (in Sun)
 KT_TEST_FEE_LIMIT = 1000000000 # transaction fee limit for testnets (in Sun)
 TRX_SCALE = 1000000.0 # TRX scale (million Suns in 1 TRX)
 TG_API_KEY = None # TronGrid API Key (unused by default)