diff --git a/browser/themes/osx/browser.css b/browser/themes/osx/browser.css
index 9f795cd5b67b12ed4e6d0838d6e0b8e1048f6e50..e9d9326f174a25140113de40f4c57e8bc67677ff 100644
--- a/browser/themes/osx/browser.css
+++ b/browser/themes/osx/browser.css
@@ -38,7 +38,7 @@
 
 .titlebar-buttonbox {
   &:-moz-locale-dir(ltr) {
-    margin-inline: 12px 0;
+    margin-inline: 12px 4px;
 
     @media (-moz-mac-rtl) {
       margin-inline: 12px;
