--- a/master/Kbuild.in	Thu Sep 06 14:40:10 2012 +0200
+++ b/master/Kbuild.in	Thu Sep 06 18:28:57 2012 +0200
@@ -36,6 +36,7 @@
 ec_master-objs := \
 	cdev.o \
 	datagram.o \
+	datagram_pair.o \
 	device.o \
 	domain.o \
 	fmmu_config.o \