diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index 384f2d9..00a232d 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -89,8 +89,8 @@
 	u8		 has_srcline:1;
 	u8		 hit:1;
 	u8		 annotate_warned:1;
-	u8		 sname_alloc:1;
-	u8		 lname_alloc:1;
+	u8		 short_name_allocated:1;
+	u8		 long_name_allocated:1;
 	u8		 sorted_by_name;
 	u8		 loaded;
 	u8		 rel;