diff --git a/docs/append-file.md b/docs/append-file.md
index 9bc32ba24f..e971474960 100644
--- a/docs/append-file.md
+++ b/docs/append-file.md
@@ -18,7 +18,7 @@ Allows extra files to be verified in addition to the primary target.
 [Fact]
 public Task BinaryFluent() =>
     Verify("Foo", settings)
-        .AppendFile("sample.png");
+        .AppendFile(File.OpenRead("sample.png"));
 ```
 <sup><a href='/src/Verify.Tests/Converters/InstanceFileAppenderTests.cs#L21-L28' title='Snippet source file'>snippet source</a> | <a href='#snippet-binaryfluent' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
diff --git a/src/Verify.Tests/Converters/InstanceFileAppenderTests.BinaryFluent#02.verified.txt b/src/Verify.Tests/Converters/InstanceFileAppenderTests.BinaryFluent#02.verified.txt
deleted file mode 100644
index f0866cd4c4..0000000000
--- a/src/Verify.Tests/Converters/InstanceFileAppenderTests.BinaryFluent#02.verified.txt
+++ /dev/null
@@ -1 +0,0 @@
-sample.png
\ No newline at end of file
diff --git a/src/Verify.Tests/Converters/InstanceFileAppenderTests.BinaryFluent#sample.verified.png b/src/Verify.Tests/Converters/InstanceFileAppenderTests.BinaryFluent#sample.verified.png
new file mode 100644
index 0000000000..b54820aa60
Binary files /dev/null and b/src/Verify.Tests/Converters/InstanceFileAppenderTests.BinaryFluent#sample.verified.png differ
diff --git a/src/Verify.Tests/Converters/InstanceFileAppenderTests.cs b/src/Verify.Tests/Converters/InstanceFileAppenderTests.cs
index 904b664858..83451f144f 100644
--- a/src/Verify.Tests/Converters/InstanceFileAppenderTests.cs
+++ b/src/Verify.Tests/Converters/InstanceFileAppenderTests.cs
@@ -23,7 +23,7 @@ public Task WithName() =>
     [Fact]
     public Task BinaryFluent() =>
         Verify("Foo", settings)
-            .AppendFile("sample.png");
+            .AppendFile(File.OpenRead("sample.png"));
 
     #endregion