diff --git a/core/includes/theme.inc b/core/includes/theme.inc
index e44f13d..714d3ef 100644
--- a/core/includes/theme.inc
+++ b/core/includes/theme.inc
@@ -917,7 +917,7 @@ function theme_get_setting($setting_name, $theme = NULL) {
       if ($cache[$theme]->get('features.logo')) {
         $logo_path = $cache[$theme]->get('logo.path');
         if ($cache[$theme]->get('logo.use_default')) {
-          $cache[$theme]->set('logo.url', file_create_url($theme_object->getPath() . '/logo.png'));
+          $cache[$theme]->set('logo.url', file_create_url($theme_object->getPath() . '/logo.svg'));
         }
         elseif ($logo_path) {
           $cache[$theme]->set('logo.url', file_create_url($logo_path));
diff --git a/core/themes/bartik/css/style.css b/core/themes/bartik/css/style.css
index d8dff1a..05d1ea5 100644
--- a/core/themes/bartik/css/style.css
+++ b/core/themes/bartik/css/style.css
@@ -357,6 +357,7 @@ ul.tips {
 .site-logo {
   float: left; /* LTR */
   padding-left: 5px; /* LTR */
+  width: 65px;
 }
 [dir="rtl"] #logo,
 [dir="rtl"] .site-logo {
diff --git a/core/themes/bartik/logo.svg b/core/themes/bartik/logo.svg
new file mode 100644
index 0000000..5cf3644
--- /dev/null
+++ b/core/themes/bartik/logo.svg
@@ -0,0 +1 @@
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