diff --git a/FFMpegCore.Test/VideoTest.cs b/FFMpegCore.Test/VideoTest.cs
index ee6c5de..4d516c9 100644
--- a/FFMpegCore.Test/VideoTest.cs
+++ b/FFMpegCore.Test/VideoTest.cs
@@ -484,14 +484,14 @@ public void Video_Snapshot_PersistSnapshot()
         public void Video_Snapshot_Rotated_PersistSnapshot()
         {
             using var outputPath = new TemporaryFile("out.png");
-            var input = FFProbe.Analyse(TestResources.Mp4VideoRotationNegative);
 
-            FFMpeg.Snapshot(TestResources.Mp4VideoRotationNegative, outputPath);
+            var size = new Size(360, 0); // half the size of original video, keeping height 0 for keeping aspect ratio
+            FFMpeg.Snapshot(TestResources.Mp4VideoRotationNegative, outputPath, size);
 
             var analysis = FFProbe.Analyse(outputPath);
-            // height and width should be swapped
-            Assert.AreEqual(input.PrimaryVideoStream!.Height, analysis.PrimaryVideoStream!.Width);
-            Assert.AreEqual(input.PrimaryVideoStream.Width, analysis.PrimaryVideoStream!.Height);
+            Assert.AreEqual(size.Width, analysis.PrimaryVideoStream!.Width);
+            Assert.AreEqual(1280/2, analysis.PrimaryVideoStream!.Height);
+            Assert.AreEqual(0, analysis.PrimaryVideoStream!.Rotation);
             Assert.AreEqual("png", analysis.PrimaryVideoStream!.CodecName);
         }