diff --git a/docker-compose-generator/docker-fragments/opt-lnd-wtclient.yml b/docker-compose-generator/docker-fragments/opt-lnd-wtclient.yml
index 5cfe913..2c66c2a 100644
--- a/docker-compose-generator/docker-fragments/opt-lnd-wtclient.yml
+++ b/docker-compose-generator/docker-fragments/opt-lnd-wtclient.yml
@@ -5,4 +5,4 @@ services:
     environment:
       LND_EXTRA_ARGS: |
         wtclient.active=1
-        wtclient.sweep-fee-rate="${LND_WTCLIENT_SWEEP_FEE:-10}"
+        wtclient.sweep-fee-rate=${LND_WTCLIENT_SWEEP_FEE:-10}