diff --git a/src/components/UI/Header.tsx b/src/components/UI/Header.tsx
index f8f6e216ea..287cf61abd 100644
--- a/src/components/UI/Header.tsx
+++ b/src/components/UI/Header.tsx
@@ -94,7 +94,7 @@ export const Header: FC = () => {
         {/* DARK MODE SWITCH */}
         <Box
           p={4}
-          borderRight={{ base: 'none', md: '2px solid #11866f' }}
+          borderRight={{ base: '2px solid #11866f', md: 'none' }}
         >
           <MoonIcon />
         </Box>