diff --git a/app/src/main/java/ru/vtosters/lite/hooks/ui/SystemThemeChangerHook.java b/app/src/main/java/ru/vtosters/lite/hooks/ui/SystemThemeChangerHook.java
new file mode 100644
index 000000000..20bf11c64
--- /dev/null
+++ b/app/src/main/java/ru/vtosters/lite/hooks/ui/SystemThemeChangerHook.java
@@ -0,0 +1,21 @@
+package ru.vtosters.lite.hooks.ui;
+
+import android.content.res.Configuration;
+
+import ru.vtosters.lite.utils.ThemesUtils;
+
+public class SystemThemeChangerHook {
+    public static void onThemeChanged(Configuration configuration) {
+        switch (configuration.uiMode & Configuration.UI_MODE_NIGHT_MASK) {
+            case Configuration.UI_MODE_NIGHT_YES:
+                // Night mode is active, we're using dark theme
+                ThemesUtils.applyTheme(ThemesUtils.getDarkTheme());
+                break;
+            case Configuration.UI_MODE_NIGHT_NO:
+            case Configuration.UI_MODE_NIGHT_UNDEFINED:
+                // Night mode is not active, we're using light theme
+                ThemesUtils.applyTheme(ThemesUtils.getLightTheme());
+                break;
+        }
+    }
+}
diff --git a/smali/smali_classes3/com/vk/navigation/NavigationDelegateActivity.smali b/smali/smali_classes3/com/vk/navigation/NavigationDelegateActivity.smali
index e26838992..9f9b52da9 100644
--- a/smali/smali_classes3/com/vk/navigation/NavigationDelegateActivity.smali
+++ b/smali/smali_classes3/com/vk/navigation/NavigationDelegateActivity.smali
@@ -371,6 +371,8 @@
 
     invoke-virtual {v0, p1}, Lcom/vk/navigation/NavigationDelegate;->a(Landroid/content/res/Configuration;)V
 
+    invoke-static {p1}, Lru/vtosters/lite/hooks/ui/SystemThemeChangerHook;->onThemeChanged(Landroid/content/res/Configuration;)V
+
     return-void
 .end method