diff --git a/app/src/demo/tables/editableTable/ProjectTableDemo.tsx b/app/src/demo/tables/editableTable/ProjectTableDemo.tsx
index 59d870d08e..c8cf0889cd 100644
--- a/app/src/demo/tables/editableTable/ProjectTableDemo.tsx
+++ b/app/src/demo/tables/editableTable/ProjectTableDemo.tsx
@@ -349,6 +349,7 @@ export function ProjectTableDemo() {
                                 icon={ fitContent }
                                 iconPosition="left"
                                 caption="Fit content"
+                                fill="outline"
                                 onClick={ () => {
                                     const minMax = getMinMaxDate(tree);
                                     if (minMax.from && minMax.to) {