diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 4b3ff7687236..bb5bd241246b 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -87,8 +87,8 @@
 #include <linux/ctype.h>
 #include <perf/mmap.h>
 
-static volatile int done;
-static volatile int resize;
+static volatile sig_atomic_t done;
+static volatile sig_atomic_t resize;
 
 #define HEADER_LINE_NR  5