diff --git a/ereuse_devicehub/migrations/versions/2b90b41a556a_create_placeholders.py b/ereuse_devicehub/migrations/versions/2b90b41a556a_create_placeholders.py
index 90180c20..8c4915dc 100644
--- a/ereuse_devicehub/migrations/versions/2b90b41a556a_create_placeholders.py
+++ b/ereuse_devicehub/migrations/versions/2b90b41a556a_create_placeholders.py
@@ -46,7 +46,7 @@ def get_inv():
 
 
 def init_app():
-    app = Devicehub(inventory=DevicehubConfig.DB_SCHEMA)
+    app = Devicehub(inventory=f'{get_inv()}')
     app.app_context().push()