diff --git a/app/assets/javascripts/select-kit/addon/components/select-kit.js b/app/assets/javascripts/select-kit/addon/components/select-kit.js
index a89055b5894..439a71b1c33 100644
--- a/app/assets/javascripts/select-kit/addon/components/select-kit.js
+++ b/app/assets/javascripts/select-kit/addon/components/select-kit.js
@@ -32,6 +32,12 @@ const SELECT_KIT_OPTIONS = Mixin.create({
   selectKitOptions: EMPTY_OBJECT,
 });
 
+function isDocumentRTL() {
+  return (
+    window.getComputedStyle(document.querySelector("html")).direction === "rtl"
+  );
+}
+
 export default Component.extend(
   SELECT_KIT_OPTIONS,
   PluginApiMixin,
@@ -268,7 +274,7 @@ export default Component.extend(
       clearOnClick: false,
       closeOnChange: true,
       limitMatches: null,
-      placement: "bottom-start",
+      placement: isDocumentRTL() ? "bottom-end" : "bottom-start",
       placementStrategy: null,
       filterComponent: "select-kit/select-kit-filter",
       selectedNameComponent: "selected-name",
diff --git a/app/assets/javascripts/select-kit/addon/components/topic-notifications-button.js b/app/assets/javascripts/select-kit/addon/components/topic-notifications-button.js
index ecbc74bc6b6..dd7ada4144c 100644
--- a/app/assets/javascripts/select-kit/addon/components/topic-notifications-button.js
+++ b/app/assets/javascripts/select-kit/addon/components/topic-notifications-button.js
@@ -8,7 +8,6 @@ export default Component.extend({
   classNameBindings: ["isLoading"],
   appendReason: true,
   showFullTitle: true,
-  placement: "bottom-start",
   notificationLevel: null,
   topic: null,
   showCaret: true,
diff --git a/app/assets/javascripts/select-kit/addon/templates/components/topic-notifications-button.hbs b/app/assets/javascripts/select-kit/addon/templates/components/topic-notifications-button.hbs
index f21111ebbd5..c64cf9dbf26 100644
--- a/app/assets/javascripts/select-kit/addon/templates/components/topic-notifications-button.hbs
+++ b/app/assets/javascripts/select-kit/addon/templates/components/topic-notifications-button.hbs
@@ -7,7 +7,6 @@
       options=(hash
         icon=icon
         showFullTitle=showFullTitle
-        placement=placement
         preventsClickPropagation=true
         showCaret=showCaret
       )
@@ -22,7 +21,6 @@
     options=(hash
       icon=icon
       showFullTitle=showFullTitle
-      placement=placement
       preventsClickPropagation=true
       showCaret=showCaret
     )