diff --git a/docker/root/etc/templates/app.ini b/docker/root/etc/templates/app.ini
index 01fb407f49..ead8c86848 100644
--- a/docker/root/etc/templates/app.ini
+++ b/docker/root/etc/templates/app.ini
@@ -20,6 +20,7 @@ DISABLE_SSH      = $DISABLE_SSH
 SSH_PORT         = $SSH_PORT
 SSH_LISTEN_PORT  = $SSH_LISTEN_PORT
 LFS_START_SERVER = $LFS_START_SERVER
+ACME_DIRECTORY   = /data/gitea/acme
 
 [database]
 PATH = /data/gitea/gitea.db
diff --git a/docker/rootless/etc/templates/app.ini b/docker/rootless/etc/templates/app.ini
index 0057635062..c82673d420 100644
--- a/docker/rootless/etc/templates/app.ini
+++ b/docker/rootless/etc/templates/app.ini
@@ -23,6 +23,7 @@ SSH_PORT         = $SSH_PORT
 SSH_LISTEN_PORT  = $SSH_LISTEN_PORT
 BUILTIN_SSH_SERVER_USER = $RUN_USER
 LFS_START_SERVER = $LFS_START_SERVER
+ACME_DIRECTORY   = /data/gitea/acme
 
 [database]
 PATH = $GITEA_WORK_DIR/data/gitea.db