diff --git a/docker/nextcloud/docker-compose.toml b/docker/nextcloud/docker-compose.toml
index c9fc22f..a0f127c 100644
--- a/docker/nextcloud/docker-compose.toml
+++ b/docker/nextcloud/docker-compose.toml
@@ -78,7 +78,7 @@ environment = [
   "username=${COLLABORA_USERNAME}",
   "password=${COLLABORA_PASSWORD}",
   "domain=collabora.korhonen.cc",
-  'extra\_params=--o:ssl.enable=false --o:ssl.termination=true --o:net.post\_allow.host\[0\]=cloud.korhonen.cc',
+  'extra_params=--o:ssl.enable=false --o:ssl.termination=true --o:net.post\_allow.host\[0\]=cloud.korhonen.cc',
 ]
 networks = ["proxy"]
 labels = [