1 files changed, 1 insertions, 1 deletions

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 9f0cfa0108a6..397290a0a76e 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -96,7 +96,7 @@ struct source_line {
         struct source_line      *next;
 };
 
-static char                     *sym_filter                     =   NULL;
+static const char               *sym_filter                     =   NULL;
 struct sym_entry                *sym_filter_entry               =   NULL;
 struct sym_entry                *sym_filter_entry_sched         =   NULL;
 static int                      sym_pcnt_filter                 =      5;