diff --git a/commands b/commands
index 1f5b291..a5e7bf3 100755
--- a/commands
+++ b/commands
@@ -35,7 +35,7 @@ case "$1" in
 
     dokku_log_info1 "Starting container"
     SERVICE_NAME=$(get_service_name "$SERVICE")
-    ID=$(docker run --name "$SERVICE_NAME" -v "$SERVICE_ROOT/data:/data/db" -d --restart always --label dokku=service --label dokku.service=mongo "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION" mongod --storageEngine wiredTiger --auth)
+    ID=$(docker run --name "$SERVICE_NAME" -v "$SERVICE_ROOT/data:/data/db" -d --restart always --label dokku=service --label dokku.service=mongo "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION" mongod $MONGO_CONFIG_OPTIONS)
     echo "$ID" > "$SERVICE_ROOT/ID"
 
     dokku_log_verbose_quiet "Waiting for container to be ready"
diff --git a/config b/config
index ff57ac0..becaca8 100644
--- a/config
+++ b/config
@@ -2,6 +2,7 @@
 export MONGO_IMAGE=${MONGO_IMAGE:="mongo"}
 export MONGO_IMAGE_VERSION=${MONGO_IMAGE_VERSION:="3.0.6"}
 export MONGO_ROOT=${MONGO_ROOT:="/var/lib/dokku/services/mongo"}
+export MONGO_CONFIG_OPTIONS=${MONGO_CONFIG_OPTIONS:=" --storageEngine wiredTiger --auth "}
 
 export PLUGIN_COMMAND_PREFIX="mongo"
 export PLUGIN_DATA_ROOT=$MONGO_ROOT