diff --git a/Transceiver52M/Makefile.am b/Transceiver52M/Makefile.am
index 8b37ea4..0e2276f 100644
--- a/Transceiver52M/Makefile.am
+++ b/Transceiver52M/Makefile.am
@@ -61,7 +61,8 @@
 libtransceiver_la_SOURCES = \
 	$(COMMON_SOURCES) \
 	Resampler.cpp \
-	radioInterfaceResamp.cpp
+	radioInterfaceResamp.cpp \
+	radioInterfaceDiversity.cpp
 
 noinst_PROGRAMS = \
 	transceiver