diff --git a/public/react/src/modules/page/component/monaco/TPIMonaco.js b/public/react/src/modules/page/component/monaco/TPIMonaco.js
index a9820ad27..0d5eb2d34 100644
--- a/public/react/src/modules/page/component/monaco/TPIMonaco.js
+++ b/public/react/src/modules/page/component/monaco/TPIMonaco.js
@@ -290,6 +290,7 @@ class TPIMonaco extends Component {
 
                 // theme: "vs-dark",
                 theme: "myCoolTheme",
+                insertSpaces: false,
                 fontSize: this.state.cmFontSize
                 
             });