diff --git a/openbsc/include/openbsc/Makefile.am b/openbsc/include/openbsc/Makefile.am
index 15c38d1e9..d42f775d9 100644
--- a/openbsc/include/openbsc/Makefile.am
+++ b/openbsc/include/openbsc/Makefile.am
@@ -17,7 +17,7 @@ noinst_HEADERS = abis_nm.h abis_rsl.h db.h gsm_04_08.h gsm_data.h \
 		osmux.h mgcp_transcode.h gprs_utils.h utils.h \
 		 gprs_gb_parse.h smpp.h meas_feed.h gprs_gsup_messages.h \
 		 gprs_gsup_client.h bsc_msg_filter.h \
-		 oap.h oap_messages.h
+		 oap.h oap_messages.h \
 		 gtphub.h
 
 openbsc_HEADERS = gsm_04_08.h meas_rep.h bsc_api.h