diff --git a/packages/core-components/src/layout/Sidebar/Bar.tsx b/packages/core-components/src/layout/Sidebar/Bar.tsx
index 69b77dd5e1..95ed88b1ec 100644
--- a/packages/core-components/src/layout/Sidebar/Bar.tsx
+++ b/packages/core-components/src/layout/Sidebar/Bar.tsx
@@ -63,6 +63,9 @@ const useStyles = makeStyles<BackstageTheme, { sidebarConfig: SidebarConfig }>(
       '&::-webkit-scrollbar': {
         display: 'none',
       },
+      '& .MuiButtonBase-root': {
+        textTransform: 'none',
+      },
     }),
     drawerOpen: props => ({
       width: props.sidebarConfig.drawerWidthOpen,