diff --git a/app/NativeMacReceiverSelector/ViewController.swift b/app/NativeMacReceiverSelector/ViewController.swift
index 903355f..79bbab7 100644
--- a/app/NativeMacReceiverSelector/ViewController.swift
+++ b/app/NativeMacReceiverSelector/ViewController.swift
@@ -28,6 +28,8 @@ struct InitData: Codable {
     let i18n_mediaTypeApp: String
     let i18n_mediaTypeTab: String
     let i18n_mediaTypeScreen: String
+    let i18n_mediaSelectCastLabel: String
+    let i18n_mediaSelectToLabel: String
 }
 
 struct ReceiverSelection: Codable {
@@ -101,9 +103,9 @@ class ViewController: NSViewController {
         self.mediaTypePopUpButton.selectItem(at: initData.defaultMediaType.rawValue)
 
         let mediaTypeStackView = NSStackView(views: [
-            makeLabel("Cast"),
+            makeLabel(initData.i18n_mediaSelectCastLabel),
             self.mediaTypePopUpButton,
-            makeLabel("to:")
+            makeLabel(initData.i18n_mediaSelectToLabel)
         ])
 
 
diff --git a/ext/src/_locales/en/messages.json b/ext/src/_locales/en/messages.json
index b83fd36..5423207 100755
--- a/ext/src/_locales/en/messages.json
+++ b/ext/src/_locales/en/messages.json
@@ -15,6 +15,12 @@
   , "popupMediaTypeScreen": {
         "message": "Screen"
     }
+  , "popupMediaSelectCastLabel": {
+        "message": "Cast"
+    }
+  , "popupMediaSelectToLabel": {
+        "message": "to:"
+    }
   , "popupCastButtonLabel": {
         "message": "Cast"
     }
diff --git a/ext/src/receiverSelectorManager/selectorManagers/NativeMacReceiverSelectorManager.ts b/ext/src/receiverSelectorManager/selectorManagers/NativeMacReceiverSelectorManager.ts
index 52b619b..60cddb7 100644
--- a/ext/src/receiverSelectorManager/selectorManagers/NativeMacReceiverSelectorManager.ts
+++ b/ext/src/receiverSelectorManager/selectorManagers/NativeMacReceiverSelectorManager.ts
@@ -61,6 +61,8 @@ class NativeMacReceiverSelectorManager
               , i18n_mediaTypeApp: _("popupMediaTypeApp")
               , i18n_mediaTypeTab: _("popupMediaTypeTab")
               , i18n_mediaTypeScreen: _("popupMediaTypeScreen")
+              , i18n_mediaSelectCastLabel: _("popupMediaSelectCastLabel")
+              , i18n_mediaSelectToLabel: _("popupMediaSelectToLabel")
             })
         });
     }
diff --git a/ext/src/ui/popup/index.tsx b/ext/src/ui/popup/index.tsx
index 9863885..ea3160b 100755
--- a/ext/src/ui/popup/index.tsx
+++ b/ext/src/ui/popup/index.tsx
@@ -97,7 +97,7 @@ class PopupApp extends Component<{}, PopupAppState> {
         return (
             <div>
                 <div className="media-select">
-                    Cast
+                    { _("popupMediaSelectCastLabel") }
                     <select value={ this.state.mediaType }
                             onChange={ this.onSelectChange }
                             className="media-select-dropdown">
@@ -115,7 +115,7 @@ class PopupApp extends Component<{}, PopupAppState> {
                             { _("popupMediaTypeScreen") }
                         </option>
                     </select>
-                    to:
+                    { _("popupMediaSelectToLabel") }
                 </div>
                 <ul className="receivers">
                     { this.state.receivers.map((receiver, i) => {