diff --git a/include/patty/ax25.h b/include/patty/ax25.h
index 396c426..c9e3810 100644
--- a/include/patty/ax25.h
+++ b/include/patty/ax25.h
@@ -71,6 +71,9 @@ typedef struct _patty_ax25_address {
 #define PATTY_AX25_CONTROL_POLL(c) \
     ((c & 0x10) >> 4)
 
+#define PATTY_AX25_CONTROL_FINAL(c) \
+    PATTY_AX25_CONTROL_POLL(c)
+
 typedef struct _patty_ax25_control_info {
     unsigned int control  :1;
     unsigned int seq_send :3;