diff --git a/p4src/headers.p4 b/p4src/headers.p4
index 3f64313..75eb938 100644
--- a/p4src/headers.p4
+++ b/p4src/headers.p4
@@ -134,7 +134,7 @@ struct metadata {
     task_t task;
     bit<16> tcp_length;
     bit<32> cast_length;
-    bool calc_icmp6_checksum;
+    bool clength;
 }
 
 #endif
\ No newline at end of file