diff --git a/theme/boost/scss/moodle/bootstrap-rtl.scss b/theme/boost/scss/moodle/bootstrap-rtl.scss
index 53f7c3e1c0e..6c54f041ff6 100644
--- a/theme/boost/scss/moodle/bootstrap-rtl.scss
+++ b/theme/boost/scss/moodle/bootstrap-rtl.scss
@@ -23,4 +23,8 @@
     left: 0;
     text-align: right;
 }
-*/
\ No newline at end of file
+*/
+
+.dir-rtl .custom-switch .custom-control-input:checked ~ .custom-control-label::after {
+    transform: translateX(-($custom-switch-width - $custom-control-indicator-size));
+}
diff --git a/theme/boost/style/moodle.css b/theme/boost/style/moodle.css
index e6be80ac9d2..a0a5d26e667 100644
--- a/theme/boost/style/moodle.css
+++ b/theme/boost/style/moodle.css
@@ -9630,6 +9630,9 @@ input[disabled] {
     text-align: right;
 }
 */
+.dir-rtl .custom-switch .custom-control-input:checked ~ .custom-control-label::after {
+  transform: translateX(-0.9375rem); }
+
 /* core.less */
 #region-main {
   overflow-x: auto;
diff --git a/theme/classic/style/moodle.css b/theme/classic/style/moodle.css
index d9acec11ae2..a89a79ad610 100644
--- a/theme/classic/style/moodle.css
+++ b/theme/classic/style/moodle.css
@@ -9834,6 +9834,9 @@ input[disabled] {
     text-align: right;
 }
 */
+.dir-rtl .custom-switch .custom-control-input:checked ~ .custom-control-label::after {
+  transform: translateX(-0.75rem); }
+
 /* core.less */
 #region-main {
   overflow-x: auto;