diff --git a/include/osmocom/bsc/Makefile.am b/include/osmocom/bsc/Makefile.am
index a5d7d18..17e8bd3 100644
--- a/include/osmocom/bsc/Makefile.am
+++ b/include/osmocom/bsc/Makefile.am
@@ -3,6 +3,7 @@
 	abis_nm.h \
 	abis_om2000.h \
 	abis_rsl.h \
+	acc_ramp.h \
 	arfcn_range_encode.h \
 	bsc_msc.h \
 	bsc_msg_filter.h \