diff --git a/backend/migrations/20221105003256_grant_all.down.sql b/backend/migrations/20221105003256_grant_all.down.sql
new file mode 100644
index 0000000000..d2f607c5b8
--- /dev/null
+++ b/backend/migrations/20221105003256_grant_all.down.sql
@@ -0,0 +1 @@
+-- Add down migration script here
diff --git a/backend/migrations/20221105003256_grant_all.up.sql b/backend/migrations/20221105003256_grant_all.up.sql
new file mode 100644
index 0000000000..916fdcbbfb
--- /dev/null
+++ b/backend/migrations/20221105003256_grant_all.up.sql
@@ -0,0 +1,13 @@
+-- Add up migration script here
+
+
+GRANT ALL
+ON ALL TABLES IN SCHEMA public 
+TO windmill_user;
+
+
+GRANT ALL
+ON ALL TABLES IN SCHEMA public 
+TO windmill_admin;
+
+DELETE FROM workspace_invite WHERE workspace_id = 'demo' AND email = 'ruben@windmill.dev';
\ No newline at end of file
diff --git a/backend/windmill-api/src/oauth2.rs b/backend/windmill-api/src/oauth2.rs
index fd6d2f5b90..e3798ca1af 100644
--- a/backend/windmill-api/src/oauth2.rs
+++ b/backend/windmill-api/src/oauth2.rs
@@ -802,14 +802,17 @@ async fn login_callback(
                     .await?
                     .unwrap_or(false);
             if demo_exists {
-                sqlx::query!(
+                if let Err(e) = sqlx::query!(
                     "INSERT INTO workspace_invite
             (workspace_id, email, is_admin)
             VALUES ('demo', $1, false)",
                     &email
                 )
                 .execute(&mut tx)
-                .await?;
+                .await
+                {
+                    tracing::error!("error inserting invite: {:#?}", e);
+                }
             }
         }
         tx.commit().await?;