diff --git a/lib/libwebsockets.c b/lib/libwebsockets.c
index 0775fad2..eb9cc853 100644
--- a/lib/libwebsockets.c
+++ b/lib/libwebsockets.c
@@ -2717,3 +2717,9 @@ libwebsockets_broadcast(const struct libwebsocket_protocols *protocol,
 
 	return n;
 }
+
+int
+libwebsocket_is_final_fragment(struct libwebsocket *wsi)
+{
+	return wsi->final;
+}
diff --git a/lib/libwebsockets.h b/lib/libwebsockets.h
index d51229d2..bb3444f3 100644
--- a/lib/libwebsockets.h
+++ b/lib/libwebsockets.h
@@ -605,6 +605,9 @@ libwebsocket_callback_on_writable_all_protocol(
 extern int
 libwebsocket_get_socket_fd(struct libwebsocket *wsi);
 
+extern int
+libwebsocket_is_final_fragment(struct libwebsocket *wsi);
+
 extern int
 libwebsocket_rx_flow_control(struct libwebsocket *wsi, int enable);