diff --git a/assets/css/pickadate/rtl.css b/assets/css/pickadate/rtl.css
index 636ab664..5a3e892b 100644
--- a/assets/css/pickadate/rtl.css
+++ b/assets/css/pickadate/rtl.css
@@ -27,3 +27,20 @@
   border-right: 0;
   border-left: 0.75em solid #000000;
 }
+
+.um-popup .picker__nav--next {
+  right: auto;
+  left: -1em;
+}
+.um-popup .picker__nav--prev {
+  left: auto;
+  right: -1em;
+}
+.um-popup .picker__nav--next:before {
+  border-left: 0;
+  border-right: 0.75em solid #000000;
+}
+.um-popup .picker__nav--prev:before {
+  border-right: 0;
+  border-left: 0.75em solid #000000;
+}