diff --git a/superset-frontend/src/SqlLab/components/SqlEditor/index.jsx b/superset-frontend/src/SqlLab/components/SqlEditor/index.jsx
index cda252f1e3ef8..ec9731b1bb01e 100644
--- a/superset-frontend/src/SqlLab/components/SqlEditor/index.jsx
+++ b/superset-frontend/src/SqlLab/components/SqlEditor/index.jsx
@@ -87,7 +87,7 @@ import {
 } from 'src/utils/localStorageHelpers';
 import { EmptyStateBig } from 'src/components/EmptyState';
 import getBootstrapData from 'src/utils/getBootstrapData';
-import { isEmpty } from 'lodash';
+import { isBoolean, isEmpty } from 'lodash';
 import TemplateParamsEditor from '../TemplateParamsEditor';
 import SouthPane from '../SouthPane';
 import SaveQuery from '../SaveQuery';
@@ -228,7 +228,9 @@ const SqlEditor = ({
       if (unsavedQueryEditor.id === queryEditor.id) {
         dbId = unsavedQueryEditor.dbId || dbId;
         latestQueryId = unsavedQueryEditor.latestQueryId || latestQueryId;
-        hideLeftBar = unsavedQueryEditor.hideLeftBar || hideLeftBar;
+        hideLeftBar = isBoolean(unsavedQueryEditor.hideLeftBar)
+          ? unsavedQueryEditor.hideLeftBar
+          : hideLeftBar;
       }
       return {
         database: databases[dbId],