diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index dc21812c12..39c751f3ff 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -17,7 +17,9 @@ add_subdirectory(insets)
 add_subdirectory(mathed)
 add_subdirectory(support)
 add_subdirectory(tex2lyx)
-add_subdirectory(convert)
+if (APPLE)
+  add_subdirectory(convert)
+endif()
 if (UNIX)
 	add_subdirectory(client)
 endif()