diff --git a/include/openbsc/Makefile.am b/include/openbsc/Makefile.am
index 2558d7c..995f02d 100644
--- a/include/openbsc/Makefile.am
+++ b/include/openbsc/Makefile.am
@@ -37,6 +37,7 @@
 	gprs_utils.h \
 	gsm_04_08.h \
 	gsm_04_11.h \
+	gsm_04_14.h \
 	gsm_04_80.h \
 	gsm_data.h \
 	gsm_data_shared.h \