diff --git a/include/proto/proto_http.h b/include/proto/proto_http.h
index 1f63c57..a3a261f 100644
--- a/include/proto/proto_http.h
+++ b/include/proto/proto_http.h
@@ -210,12 +210,12 @@
 	return len;
 }
 
-/* for an http-request action HTTP_REQ_ACT_TRK_*, return a tracking index
+/* for an http-request action ACT_HTTP_REQ_TRK_*, return a tracking index
  * starting at zero for SC0. Unknown actions also return zero.
  */
 static inline int http_req_trk_idx(int trk_action)
 {
-	return trk_action - HTTP_REQ_ACT_TRK_SC0;
+	return trk_action - ACT_ACTION_TRK_SC0;
 }
 
 /* for debugging, reports the HTTP message state name */