diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index ced849e51e6ba5b6b7301b8f133ece3bac8c209a..93fa136b0025c02e1e4383be523fcf37c092f36e 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -27,6 +27,7 @@ int		sort__has_sym = 0;
 int		sort__has_dso = 0;
 int		sort__has_socket = 0;
 int		sort__has_thread = 0;
+int		sort__has_comm = 0;
 enum sort_mode	sort__mode = SORT_MODE__NORMAL;
 
 /*
@@ -2262,6 +2263,8 @@ static int sort_dimension__add(struct perf_hpp_list *list, const char *tok,
 			sort__has_socket = 1;
 		} else if (sd->entry == &sort_thread) {
 			sort__has_thread = 1;
+		} else if (sd->entry == &sort_comm) {
+			sort__has_comm = 1;
 		}
 
 		return __sort_dimension__add(sd, list, level);
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 151afc1b6c2f235a30ead2c837c50658e2e5a4af..3f4e359981192ac50b56e770aa472749666e1f98 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -37,6 +37,7 @@ extern int sort__has_parent;
 extern int sort__has_sym;
 extern int sort__has_socket;
 extern int sort__has_thread;
+extern int sort__has_comm;
 extern enum sort_mode sort__mode;
 extern struct sort_entry sort_comm;
 extern struct sort_entry sort_dso;