diff --git a/app/src/main/java/hu/bbara/purefin/player/PlayerActivity.kt b/app/src/main/java/hu/bbara/purefin/player/PlayerActivity.kt
index aef3ae7..1068d23 100644
--- a/app/src/main/java/hu/bbara/purefin/player/PlayerActivity.kt
+++ b/app/src/main/java/hu/bbara/purefin/player/PlayerActivity.kt
@@ -1,12 +1,15 @@
 package hu.bbara.purefin.player
 
 import android.os.Bundle
+import android.view.WindowManager
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
+import androidx.compose.runtime.LaunchedEffect
 import androidx.core.view.WindowCompat
 import androidx.core.view.WindowInsetsCompat
 import androidx.core.view.WindowInsetsControllerCompat
 import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import dagger.hilt.android.AndroidEntryPoint
 import hu.bbara.purefin.player.ui.PlayerScreen
 import hu.bbara.purefin.player.viewmodel.PlayerViewModel
@@ -22,6 +25,16 @@ class PlayerActivity : ComponentActivity() {
         setContent {
             PurefinTheme(darkTheme = true) {
                 val viewModel = hiltViewModel<PlayerViewModel>()
+                val uiState = viewModel.uiState.collectAsStateWithLifecycle()
+
+                LaunchedEffect(uiState.value.isPlaying) {
+                    if (uiState.value.isPlaying) {
+                        window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+                    } else {
+                        window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+                    }
+                }
+
                 PlayerScreen(
                     viewModel = viewModel,
                     onBack = { finish() }