diff --git a/joplin/config.json b/joplin/config.json
index 13d0cfd65..dcd9fa4b3 100644
--- a/joplin/config.json
+++ b/joplin/config.json
@@ -25,7 +25,8 @@
     "POSTGRES_PASSWORD": "str?",
     "POSTGRES_USER": "str?",
     "POSTGRES_PORT": "int?",
-    "POSTGRES_HOST": "str?"
+    "POSTGRES_HOST": "str?", 
+    "POSTGRES_DATABASE": "str?"
   },
   "arch": [
     "aarch64",