diff --git a/pyext/ctools/ctools.i b/pyext/ctools/ctools.i
index 5b762e1..a51c413 100755
--- a/pyext/ctools/ctools.i
+++ b/pyext/ctools/ctools.i
@@ -52,3 +52,5 @@
 %include "ctselect.i"
 %include "ctskymap.i"
 %include "ctexpcube.i"
+%include "ctpsfcube.i"
+%include "ctcubemask.i"