diff --git a/include/osmocom/abis/Makefile.am b/include/osmocom/abis/Makefile.am
index 3093ee5..6cf3510 100644
--- a/include/osmocom/abis/Makefile.am
+++ b/include/osmocom/abis/Makefile.am
@@ -1,3 +1,8 @@
-osmoabis_HEADERS = abis.h e1_input.h subchan_demux.h ipaccess.h trau_frame.h
+osmoabis_HEADERS = abis.h		\
+		   e1_input.h		\
+		   subchan_demux.h	\
+		   ipa_proxy.h		\
+		   ipaccess.h		\
+		   trau_frame.h
 
 osmoabisdir = $(includedir)/osmocom/gsm/abis
diff --git a/include/osmocom/abis/ipa_proxy.h b/include/osmocom/abis/ipa_proxy.h
new file mode 100644
index 0000000..9b4efa9
--- /dev/null
+++ b/include/osmocom/abis/ipa_proxy.h
@@ -0,0 +1,6 @@
+#ifndef _IPA_PROXY_H_
+#define _IPA_PROXY_H_
+
+void ipa_proxy_vty_init(void);
+
+#endif