diff --git a/examples/sftpgo/docker-compose.yml b/examples/sftpgo/docker-compose.yml
index 551ac51..204dc4a 100644
--- a/examples/sftpgo/docker-compose.yml
+++ b/examples/sftpgo/docker-compose.yml
@@ -18,11 +18,11 @@ services:
       SFTPGO_DATA_PROVIDER__PORT: 3306
       SFTPGO_DATA_PROVIDER__USERNAME: sftpgo # please change
       SFTPGO_DATA_PROVIDER__PASSWORD: sftpgo # please change
-      SFTPGO_COMMON_DEFENDER__ENABLED: true
-      SFTPGO_COMMON_DEFENDER__BAN_TIME: 15
-      SFTPGO_COMMON_DEFENDER__BAN_TIME_INCREMENT: 100
-      SFTPGO_COMMON_DEFENDER__THRESHOLD: 5
-      SFTPGO_COMMON_DEFENDER__OBSERVATION_TIME: 15
+      SFTPGO_COMMON__DEFENDER__ENABLED: true
+      SFTPGO_COMMON__DEFENDER__BAN_TIME: 15
+      SFTPGO_COMMON__DEFENDER__BAN_TIME_INCREMENT: 100
+      SFTPGO_COMMON__DEFENDER__THRESHOLD: 5
+      SFTPGO_COMMON__DEFENDER__OBSERVATION_TIME: 15
     volumes:
       - ${DOCKER_VOLUME_STORAGE:-/mnt/docker-volumes}/sftpgo/data:/srv/sftpgo