diff --git a/configure-box.sh b/configure-box.sh
index f9aa1a2..3a22833 100755
--- a/configure-box.sh
+++ b/configure-box.sh
@@ -28,8 +28,9 @@ sed -i "s/RPCPASS/${RPCPASS}/g; " lnd/lnd.conf
 echo "Configuring docker-compose file"
 sed -i "s/RPCPASS/${RPCPASS}/g; " docker-compose.yml
 if [ ! -z $TESTNET ]; then
-    echo "Enabling testnet if TESTNET variable is set"
-    echo "testnet=1" >> bitcoin/bitcoin.conf
+    echo "Enabling testnet mode if TESTNET variable is set"
+    sed -i '/[test]/s/^#//g' bitcoin/bitcoin.conf 
+    sed -i '/testnet=1/s/^#//g' bitcoin/bitcoin.conf     
 fi
 rm configure-box.sh
 echo "Box Configuration complete"