diff --git a/tools/perf/builtin-ftrace.c b/tools/perf/builtin-ftrace.c
index 0f34ab7..9e0b35c 100644
--- a/tools/perf/builtin-ftrace.c
+++ b/tools/perf/builtin-ftrace.c
@@ -13,6 +13,7 @@
 #include <unistd.h>
 #include <signal.h>
 #include <fcntl.h>
+#include <poll.h>
 
 #include "debug.h"
 #include <subcmd/parse-options.h>