diff --git a/routstr/core/settings.py b/routstr/core/settings.py
index eb8e59a9..cd59758c 100644
--- a/routstr/core/settings.py
+++ b/routstr/core/settings.py
@@ -235,7 +235,7 @@ class SettingsService:
 
             merged_dict: dict[str, Any] = dict(env_resolved.dict())
             merged_dict.update(
-                {k: v for k, v in db_json.items() if v not in (None, "", []) and v}
+                {k: v for k, v in db_json.items() if v not in (None, "", [], {})}
             )
 
             # Ensure primary_mint is consistent with cashu_mints if not explicitly set