diff --git a/src/common/RebootButton.js b/src/common/RebootButton.js
index 9b9f85e..c680187 100644
--- a/src/common/RebootButton.js
+++ b/src/common/RebootButton.js
@@ -68,7 +68,12 @@ function RebootModal({ shown, setShown, onReboot }) {
                 <p>{_("Are you sure you want to restart the router?")}</p>
             </ModalBody>
             <ModalFooter>
-                <Button onClick={() => setShown(false)}>{_("Cancel")}</Button>
+                <Button
+                    className="btn-secondary"
+                    onClick={() => setShown(false)}
+                >
+                    {_("Cancel")}
+                </Button>
                 <Button className="btn-danger" onClick={onReboot}>
                     {_("Confirm reboot")}
                 </Button>