diff --git a/healthcheck.sh b/healthcheck.sh
index 43eb2176..50263896 100644
--- a/healthcheck.sh
+++ b/healthcheck.sh
@@ -1,3 +1,3 @@
 #!/bin/sh
-PORT=$(jq .port /.filebrowser.json)
+PORT=${FB_PORT:-$(jq .port /.filebrowser.json)}
 curl -f http://localhost:$PORT/health || exit 1