diff --git a/superset/assets/javascripts/SqlLab/actions.js b/superset/assets/javascripts/SqlLab/actions.js
index 6438226e74a76..e5563020b674d 100644
--- a/superset/assets/javascripts/SqlLab/actions.js
+++ b/superset/assets/javascripts/SqlLab/actions.js
@@ -413,6 +413,7 @@ export function createDatasource(vizOptions, context) {
     return $.ajax({
       type: 'POST',
       url: '/superset/sqllab_viz/',
+      async: false,
       data: {
         data: JSON.stringify(vizOptions),
       },