diff --git a/IOStreams/CMakeLists.txt b/IOStreams/CMakeLists.txt
index a37fa4f..c3ed932 100644
--- a/IOStreams/CMakeLists.txt
+++ b/IOStreams/CMakeLists.txt
@@ -1,3 +1,3 @@
 add_subdirectory( IStreamable.test )
 add_subdirectory( OStreamable.test )
-add_subdirectory( Streamable.test )
+add_subdirectory( streamable.test )