diff --git a/Transceiver52M/Makefile.am b/Transceiver52M/Makefile.am
index 28c47ab..89ab796 100644
--- a/Transceiver52M/Makefile.am
+++ b/Transceiver52M/Makefile.am
@@ -23,7 +23,7 @@
 
 SUBDIRS = arch device
 
-AM_CPPFLAGS = -Wall $(STD_DEFINES_AND_INCLUDES) -I${srcdir}/arch/common -I${srcdir}/device
+AM_CPPFLAGS = -Wall $(STD_DEFINES_AND_INCLUDES) -I${srcdir}/arch/common -I${srcdir}/device/common
 AM_CXXFLAGS = -lpthread $(LIBOSMOCORE_CFLAGS) $(LIBOSMOCTRL_CFLAGS) $(LIBOSMOVTY_CFLAGS)
 
 rev2dir = $(datadir)/usrp/rev2