diff --git a/app/design/frontend/Magento/blank/Magento_CatalogSearch/web/css/source/_module.less b/app/design/frontend/Magento/blank/Magento_CatalogSearch/web/css/source/_module.less
index daed96db717c7..780abd250301a 100644
--- a/app/design/frontend/Magento/blank/Magento_CatalogSearch/web/css/source/_module.less
+++ b/app/design/frontend/Magento/blank/Magento_CatalogSearch/web/css/source/_module.less
@@ -65,6 +65,7 @@
         }
 
         input {
+            font-size: 16px;
             left: -300%;
             margin: 15px 0;
             position: absolute;
diff --git a/app/design/frontend/Magento/luma/Magento_CatalogSearch/web/css/source/_module.less b/app/design/frontend/Magento/luma/Magento_CatalogSearch/web/css/source/_module.less
index 2176fcd241916..9a85e3a02712c 100644
--- a/app/design/frontend/Magento/luma/Magento_CatalogSearch/web/css/source/_module.less
+++ b/app/design/frontend/Magento/luma/Magento_CatalogSearch/web/css/source/_module.less
@@ -80,6 +80,7 @@
         }
 
         input {
+            font-size: 16px;
             left: -300%;
             margin: 15px 0;
             position: absolute;