diff --git a/src/osgPlugins/CMakeLists.txt b/src/osgPlugins/CMakeLists.txt
index 78e3bb49d..1d0ef23ae 100644
--- a/src/osgPlugins/CMakeLists.txt
+++ b/src/osgPlugins/CMakeLists.txt
@@ -158,6 +158,7 @@ ADD_SUBDIRECTORY(lwo)
 ADD_SUBDIRECTORY(bvh)
 ADD_SUBDIRECTORY(x)
 ADD_SUBDIRECTORY(dw)
+ADD_SUBDIRECTORY(ply)
 ADD_SUBDIRECTORY(dxf)
 ADD_SUBDIRECTORY(OpenFlight)
 # ADD_SUBDIRECTORY(flt)