diff --git a/CarefulAudioRepair/Data/Channel - Copy.cs b/CarefulAudioRepair/Data/Channel - Copy.cs
index f7fbf36..7aca999 100644
--- a/CarefulAudioRepair/Data/Channel - Copy.cs	
+++ b/CarefulAudioRepair/Data/Channel - Copy.cs	
@@ -58,7 +58,7 @@ public MemoryEfficientChannel(ImmutableArray<double> inputSamples, IAudioProcess
         /// <summary>
         /// Gets length of audio in samples.
         /// </summary>
-        public int LengthSamples => this.scannerTools.Input.Length;
+        public int LengthSamples => this.inputImmutable.Length;
 
         /// <summary>
         /// Gets number of patches.