diff --git a/include/osmocom/sgsn/Makefile.am b/include/osmocom/sgsn/Makefile.am
index 515c79c..3b1f840 100644
--- a/include/osmocom/sgsn/Makefile.am
+++ b/include/osmocom/sgsn/Makefile.am
@@ -2,6 +2,7 @@
 	common.h \
 	crc24.h \
 	debug.h \
+	gprs_bssgp.h \
 	gprs_gb.h \
 	gprs_gmm.h \
 	gprs_gmm_fsm.h \