diff --git a/lib/bitcoin.py b/lib/bitcoin.py
index 28d07e60..ee8cb469 100644
--- a/lib/bitcoin.py
+++ b/lib/bitcoin.py
@@ -31,7 +31,7 @@ import aes
 
 ################################## transactions
 
-DUST_THRESHOLD = 5430
+DUST_THRESHOLD = 546
 MIN_RELAY_TX_FEE = 1000
 RECOMMENDED_FEE = 50000
 COINBASE_MATURITY = 100