diff --git a/tools/perf/ui/browsers/hists.h b/tools/perf/ui/browsers/hists.h
index 39bd0f2..23d6acb 100644
--- a/tools/perf/ui/browsers/hists.h
+++ b/tools/perf/ui/browsers/hists.h
@@ -18,6 +18,7 @@ struct hist_browser {
 	u64		     nr_non_filtered_entries;
 	u64		     nr_hierarchy_entries;
 	u64		     nr_callchain_rows;
+	bool		     c2c_filter;
 
 	/* Get title string. */
 	int                  (*title)(struct hist_browser *browser,