diff --git a/register_rln.sh b/register_rln.sh
index 1b33a42..d1cee35 100755
--- a/register_rln.sh
+++ b/register_rln.sh
@@ -37,7 +37,7 @@ for arg in "$@"; do
 done
 
 RLN_CONTRACT_ADDRESS=0xB9cd878C90E49F797B4431fBF4fb333108CB90e6
-TST_AMOUNT_WEI=5000000000000000000 
+TST_AMOUNT_WEI=500000000000000000
 
 # Approve 
 if [ "$NEED_APPROVAL" = "1" ]; then