diff --git a/site/src/pages/TemplateVersionEditorPage/MonacoEditor.tsx b/site/src/pages/TemplateVersionEditorPage/MonacoEditor.tsx
index 169b326250..ea5c0aa135 100644
--- a/site/src/pages/TemplateVersionEditorPage/MonacoEditor.tsx
+++ b/site/src/pages/TemplateVersionEditorPage/MonacoEditor.tsx
@@ -49,7 +49,7 @@ export const MonacoEditor: FC<MonacoEditorProps> = ({
 			}}
 			path={path}
 			onChange={(newValue) => {
-				if (onChange && newValue) {
+				if (onChange && typeof newValue === "string") {
 					onChange(newValue);
 				}
 			}}