diff --git a/anzeigen-backend/src/main/resources/application.yml b/anzeigen-backend/src/main/resources/application.yml
index 1721bbb4..66578e4d 100644
--- a/anzeigen-backend/src/main/resources/application.yml
+++ b/anzeigen-backend/src/main/resources/application.yml
@@ -18,6 +18,8 @@ spring:
       default-page-size: 0x7fffffff
       return-body-on-update: true
       return-body-on-create: true
+  jpa:
+    database: postgresql
 
 server:
   shutdown: "graceful"
@@ -61,4 +63,4 @@ info:
     description: @project.description@
   build:
     java.version: @java.version@
-    spring-cloud.version: @spring-cloud-dependencies.version@
\ No newline at end of file
+    spring-cloud.version: @spring-cloud-dependencies.version@