diff --git a/app/src/main/kotlin/com/numero/sojodia/extension/AppThemeExtension.kt b/app/src/main/kotlin/com/numero/sojodia/extension/AppThemeExtension.kt
index 5d39f208..cf045103 100644
--- a/app/src/main/kotlin/com/numero/sojodia/extension/AppThemeExtension.kt
+++ b/app/src/main/kotlin/com/numero/sojodia/extension/AppThemeExtension.kt
@@ -1,5 +1,6 @@
 package com.numero.sojodia.extension
 
+import android.os.Build
 import androidx.appcompat.app.AppCompatDelegate
 import com.numero.sojodia.model.AppTheme
 
@@ -7,8 +8,11 @@ fun AppTheme.applyApplication() {
     val mode = when (this) {
         AppTheme.LIGHT -> AppCompatDelegate.MODE_NIGHT_NO
         AppTheme.DARK -> AppCompatDelegate.MODE_NIGHT_YES
-        AppTheme.SYSTEM_DEFAULT -> AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
-        AppTheme.AUTO_BATTERY -> AppCompatDelegate.MODE_NIGHT_AUTO_BATTERY
+        AppTheme.SYSTEM_DEFAULT -> if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.P) {
+            AppCompatDelegate.MODE_NIGHT_AUTO_BATTERY
+        } else {
+            AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
+        }
     }
     AppCompatDelegate.setDefaultNightMode(mode)
 }
\ No newline at end of file
diff --git a/app/src/main/kotlin/com/numero/sojodia/ui/settings/SettingsActivity.kt b/app/src/main/kotlin/com/numero/sojodia/ui/settings/SettingsActivity.kt
index f07ec175..5af679fd 100644
--- a/app/src/main/kotlin/com/numero/sojodia/ui/settings/SettingsActivity.kt
+++ b/app/src/main/kotlin/com/numero/sojodia/ui/settings/SettingsActivity.kt
@@ -2,6 +2,7 @@ package com.numero.sojodia.ui.settings
 
 import android.content.Context
 import android.content.Intent
+import android.os.Build
 import android.os.Bundle
 import android.view.MenuItem
 import android.view.View
@@ -113,7 +114,7 @@ class SettingsActivity : AppCompatActivity() {
                     R.id.theme_light -> AppTheme.LIGHT
                     R.id.theme_dark -> AppTheme.DARK
                     R.id.theme_system -> AppTheme.SYSTEM_DEFAULT
-                    R.id.theme_auto_battery -> AppTheme.AUTO_BATTERY
+                    R.id.theme_auto_battery -> AppTheme.SYSTEM_DEFAULT
                     else -> throw Exception()
                 }
                 configRepository.appTheme = theme
@@ -130,8 +131,11 @@ class SettingsActivity : AppCompatActivity() {
             return when (this) {
                 AppTheme.LIGHT -> R.string.theme_light
                 AppTheme.DARK -> R.string.theme_dark
-                AppTheme.SYSTEM_DEFAULT -> R.string.theme_system_default
-                AppTheme.AUTO_BATTERY -> R.string.theme_auto_battery
+                AppTheme.SYSTEM_DEFAULT -> if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.P) {
+                    R.string.theme_auto_battery
+                } else {
+                    R.string.theme_system_default
+                }
             }
         }
 
diff --git a/model/src/main/java/com/numero/sojodia/model/AppTheme.kt b/model/src/main/java/com/numero/sojodia/model/AppTheme.kt
index 56cba30f..d8c981e4 100644
--- a/model/src/main/java/com/numero/sojodia/model/AppTheme.kt
+++ b/model/src/main/java/com/numero/sojodia/model/AppTheme.kt
@@ -4,8 +4,7 @@ enum class AppTheme(val key: String) {
 
     LIGHT("LIGHT"),
     DARK("DARK"),
-    SYSTEM_DEFAULT("SYSTEM_DEFAULT"),
-    AUTO_BATTERY("AUTO_BATTERY");
+    SYSTEM_DEFAULT("SYSTEM_DEFAULT");
 
     companion object {
         fun from(key: String): AppTheme {
diff --git a/repository/src/main/java/com/numero/sojodia/repository/ConfigRepositoryImpl.kt b/repository/src/main/java/com/numero/sojodia/repository/ConfigRepositoryImpl.kt
index 33277d95..89f7180c 100644
--- a/repository/src/main/java/com/numero/sojodia/repository/ConfigRepositoryImpl.kt
+++ b/repository/src/main/java/com/numero/sojodia/repository/ConfigRepositoryImpl.kt
@@ -43,7 +43,7 @@ class ConfigRepositoryImpl(context: Context) : ConfigRepository {
             }
         }
         get() {
-            val entry = sharedPreferences.getStringOrThrow(KEY_APP_THEME, AppTheme.LIGHT.key)
+            val entry = sharedPreferences.getStringOrThrow(KEY_APP_THEME, AppTheme.SYSTEM_DEFAULT.key)
             return AppTheme.from(entry)
         }