diff --git a/backend/src/main/resources/application.yml b/backend/src/main/resources/application.yml
index 5eb0b692..464ea5bb 100644
--- a/backend/src/main/resources/application.yml
+++ b/backend/src/main/resources/application.yml
@@ -29,6 +29,7 @@ spring:
     host: redis
     port: 6379
     password:
+    database: 0
 
 management:
   endpoints: