diff --git a/Modules/clmodule.c b/Modules/clmodule.c
index a535e03..d3e0edf 100644
--- a/Modules/clmodule.c
+++ b/Modules/clmodule.c
@@ -961,7 +961,11 @@
 initcl(void)
 {
 	PyObject *m, *d, *x;
-
+    
+    if (PyErr_WarnPy3k("the cl module has been removed in "
+                       "Python 3.0", 2) < 0)
+        return;
+    
 	m = Py_InitModule("cl", cl_methods);
 	if (m == NULL)
 		return;