diff --git a/frontend/src/components/Header.tsx b/frontend/src/components/Header.tsx
index c8357f707..6d1a7099c 100644
--- a/frontend/src/components/Header.tsx
+++ b/frontend/src/components/Header.tsx
@@ -413,12 +413,12 @@ const Header = ({
                 </Button>
               )}
               {!hideSignin && !isSignedIn && isLoaded && !loading && (
-                <Button variant="contained" size="small" startIcon={<SignUpIcon />} href="/sign-up" disableElevation className="btn btn-margin">
+                <Button variant="contained" size="medium" startIcon={<SignUpIcon />} href="/sign-up" disableElevation className="btn btn-margin">
                   {suStrings.SIGN_UP}
                 </Button>
               )}
               {!hideSignin && !isSignedIn && isLoaded && !loading && (
-                <Button variant="contained" size="small" startIcon={<LoginIcon />} href="/sign-in" disableElevation className="btn">
+                <Button variant="contained" size="medium" startIcon={<LoginIcon />} href="/sign-in" disableElevation className="btn">
                   {strings.SIGN_IN}
                 </Button>
               )}