diff --git a/include/osmocom/core/gsmtap_util.h b/include/osmocom/core/gsmtap_util.h
index 9644944..785f5e5 100644
--- a/include/osmocom/core/gsmtap_util.h
+++ b/include/osmocom/core/gsmtap_util.h
@@ -18,4 +18,8 @@
 
 int gsmtap_init(uint32_t dst_ip);
 
+/* Create a local 'gsmtap sink' avoiding the UDP packets being rejected
+ * with ICMP reject messages */
+int gsmtap_sink_init(uint32_t bind_ip);
+
 #endif /* _GSMTAP_UTIL_H */