diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 42e4b2ac82cc303538d5b5bae3c2734db193585d..db6da11501d8dd90c72e4a921a364a7d1146d821 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -67,6 +67,7 @@ SET(PYTHON_MODULE wrap)
 ADD_LIBRARY(${PYTHON_MODULE}
 	MODULE
 	exception-python.cc
+	convert-dg-to-py.cc
 	dynamic-graph-py.cc
 	signal-base-py.cc
 	entity-py.cc