diff --git a/app/src/main/java/org/schabi/newpipe/player/helper/MediaSessionManager.java b/app/src/main/java/org/schabi/newpipe/player/helper/MediaSessionManager.java
index 51684f506..8b9369613 100644
--- a/app/src/main/java/org/schabi/newpipe/player/helper/MediaSessionManager.java
+++ b/app/src/main/java/org/schabi/newpipe/player/helper/MediaSessionManager.java
@@ -50,15 +50,8 @@ public class MediaSessionManager {
     }
 
     @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
-    public void setLockScreenArt(
-            NotificationCompat.Builder builder,
-            @Nullable Bitmap thumbnailBitmap
-    ) {
-        if (thumbnailBitmap == null) {
-            return;
-        }
-
-        if (!mediaSession.isActive()) {
+    public void setLockScreenArt(NotificationCompat.Builder builder, @Nullable Bitmap thumbnailBitmap) {
+        if (thumbnailBitmap == null || !mediaSession.isActive()) {
             return;
         }
 
diff --git a/app/src/main/java/org/schabi/newpipe/util/BitmapUtils.java b/app/src/main/java/org/schabi/newpipe/util/BitmapUtils.java
index a0e7de4ac..7ad71eb5c 100644
--- a/app/src/main/java/org/schabi/newpipe/util/BitmapUtils.java
+++ b/app/src/main/java/org/schabi/newpipe/util/BitmapUtils.java
@@ -22,11 +22,11 @@ public class BitmapUtils {
         float newYScale;
 
         if (yScale > xScale) {
-            newXScale = (1.0f / yScale) * xScale;
+            newXScale = xScale / yScale;
             newYScale = 1.0f;
         } else {
             newXScale = 1.0f;
-            newYScale = (1.0f / xScale) * yScale;
+            newYScale = yScale / xScale;
         }
 
         float scaledWidth = newXScale * sourceWidth;