diff --git a/code/core/src/manager/components/sidebar/Brand.tsx b/code/core/src/manager/components/sidebar/Brand.tsx
index 995b924948ec..f4ca666e0579 100644
--- a/code/core/src/manager/components/sidebar/Brand.tsx
+++ b/code/core/src/manager/components/sidebar/Brand.tsx
@@ -12,7 +12,7 @@ export const StorybookLogoStyled = styled(StorybookLogo)(({ theme }) => ({
 
 export const Img = styled.img({
   display: 'block',
-  maxWidth: '150px',
+  maxWidth: '150px !important',
   maxHeight: '100px',
 });