diff --git a/src/flt_http_comp.c b/src/flt_http_comp.c
index f2f04ee62f..ceda3fd5e4 100644
--- a/src/flt_http_comp.c
+++ b/src/flt_http_comp.c
@@ -241,7 +241,7 @@ comp_http_payload(struct stream *s, struct filter *filter, struct http_msg *msg,
 					to_forward += b_data(&trash);
 				}
 				st->flags &= ~COMP_STATE_PROCESSING;
-				/* fall through */
+				__fallthrough;
 
 			default:
 			  consume: