diff --git a/Makefile.am b/Makefile.am
index 0a2d05a..a2b263e 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -17,6 +17,7 @@
 
 libocc_control_la_SOURCES = \
 	occ_pass_through.cpp \
+	occ_manager.cpp \
 	occ_status.cpp \
 	occ_device.cpp \
 	occ_errors.cpp \