diff --git a/chrome/content/zotero-platform/mac/overlay.css b/chrome/content/zotero-platform/mac/overlay.css
index 760f7f8f3f..7a5afc3be2 100644
--- a/chrome/content/zotero-platform/mac/overlay.css
+++ b/chrome/content/zotero-platform/mac/overlay.css
@@ -17,6 +17,10 @@
 	border-color: transparent;
 }
 
+#zotero-toolbar-save-button[cui-areatype="toolbar"] > .toolbarbutton-menubutton-button {
+	min-width: 27px;
+}
+
 #zotero-toolbar-buttons[cui-areatype="toolbar"]:hover > #zotero-toolbar-save-button > .toolbarbutton-menubutton-button,
 #zotero-toolbar-buttons[cui-areatype="toolbar"]:hover > #zotero-toolbar-save-button > .toolbarbutton-menubutton-dropmarker {
 	border-width: 1px;