diff --git a/tests/SharpCompress.Test/Zip/ZipReaderTests.cs b/tests/SharpCompress.Test/Zip/ZipReaderTests.cs
index bb123042..4e264dcc 100644
--- a/tests/SharpCompress.Test/Zip/ZipReaderTests.cs
+++ b/tests/SharpCompress.Test/Zip/ZipReaderTests.cs
@@ -47,7 +47,7 @@ namespace SharpCompress.Test.Zip
         [Fact]
         public void Zip_ZipX_Streamed_Read()
         {
-            Read("Zip.Zipx", CompressionType.LZMA);
+            Read("Zip.zipx", CompressionType.LZMA);
         }
 
         [Fact]