diff -u b/core/misc/dropbutton/dropbutton.css b/core/misc/dropbutton/dropbutton.css
--- b/core/misc/dropbutton/dropbutton.css
+++ b/core/misc/dropbutton/dropbutton.css
@@ -26,11 +26,11 @@
 /* Splitbuttons */
 @media screen and (min-width:600px) {
   .form-actions .dropbutton-wrapper {
-    float: left;
+    float: left; /* LTR */
+  }
+  [dir="rtl"] .form-actions .dropbutton-wrapper {
+    float: right;
   }
-}
-[dir="rtl"] .form-actions .dropbutton-wrapper {
-  float: right;
 }
 .js .form-actions .dropbutton-widget {
   position: static;