diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/usersettings/Appearance.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/usersettings/Appearance.kt
index 45e32bfbd8..d081e44bc1 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/usersettings/Appearance.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/usersettings/Appearance.kt
@@ -626,6 +626,8 @@ object AppearanceScope {
           },
           onLongClick = {
             ThemeManager.applyTheme(DefaultTheme.SYSTEM_THEME_NAME)
+            showToast(generalGetString(MR.strings.system_mode_toast))
+
             saveThemeToDatabase(null)
           }
         )
diff --git a/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml b/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml
index 16f110b0e9..c9849fbbd9 100644
--- a/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml
+++ b/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml
@@ -1720,6 +1720,7 @@
   <string name="theme_remove_image">Remove image</string>
   <string name="appearance_font_size">Font size</string>
   <string name="appearance_zoom">Zoom</string>
+  <string name="system_mode_toast">System mode</string>
 
   <!-- Wallpapers -->
   <string name="wallpaper_preview_hello_alice">Good afternoon!</string>