diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 9f14aad8..6fd41092 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -33,6 +33,7 @@ if (NOT WIN32)
   list(APPEND SOURCES 
     IXWebSocketServerTest.cpp
     cmd_websocket_chat.cpp
+    IXWebSocketTestConnectionDisconnection.cpp
   )
 endif()