diff --git a/cts/Makefile.am b/cts/Makefile.am
index 72d99ccf16b..399f18338da 100644
--- a/cts/Makefile.am
+++ b/cts/Makefile.am
@@ -34,7 +34,8 @@ ctslib_PYTHON	=	__init__.py		\
 			CTSaudits.py		\
 			CTStests.py		\
 			CTSscenarios.py		\
-			CIB.py
+			CIB.py			\
+			cib_xml.py
 
 cts_DATA	=	README cts.supp