diff --git a/app/design/frontend/Magento/luma/Magento_Newsletter/web/css/source/_module.less b/app/design/frontend/Magento/luma/Magento_Newsletter/web/css/source/_module.less
index 94d7c7e4e5bff5618351cf61e2b8f54176f57197..9ccd6c190ec0ef480f1cf5ba0ce6322b11ef3f87 100644
--- a/app/design/frontend/Magento/luma/Magento_Newsletter/web/css/source/_module.less
+++ b/app/design/frontend/Magento/luma/Magento_Newsletter/web/css/source/_module.less
@@ -67,6 +67,7 @@
             border-bottom-left-radius: 0;
             border-top-left-radius: 0;
             margin-left: -1px;
+            white-space: nowrap;
         }
     }
 }