diff --git a/FlashCap.Core/FrameProcessor.cs b/FlashCap.Core/FrameProcessor.cs
index dedb43c..1b9b458 100644
--- a/FlashCap.Core/FrameProcessor.cs
+++ b/FlashCap.Core/FrameProcessor.cs
@@ -111,8 +111,9 @@ public void Dispose()
             {
                 if (this.parent is { } parent)
                 {
+                    var buffer = this.Buffer;
                     base.OnReleaseNow();
-                    this.parent.ReleasePixelBuffer(this.Buffer);
+                    this.parent.ReleasePixelBuffer(buffer);
                     this.parent = null;
                 }
             }