1 files changed, 2 insertions, 1 deletions

diff --git a/tools/perf/tests/open-syscall.c b/tools/perf/tests/open-syscall.c
index c1dc7d25f38c..a33b2daae40f 100644
--- a/tools/perf/tests/open-syscall.c
+++ b/tools/perf/tests/open-syscall.c
@@ -9,6 +9,7 @@ int test__open_syscall_event(void)
         struct perf_evsel *evsel;
         unsigned int nr_open_calls = 111, i;
         struct thread_map *threads = thread_map__new(-1, getpid(), UINT_MAX);
+        char sbuf[STRERR_BUFSIZE];
 
         if (threads == NULL) {
                 pr_debug("thread_map__new\n");
@@ -24,7 +25,7 @@ int test__open_syscall_event(void)
         if (perf_evsel__open_per_thread(evsel, threads) < 0) {
                 pr_debug("failed to open counter: %s, "
                          "tweak /proc/sys/kernel/perf_event_paranoid?\n",
-                         strerror(errno));
+                         strerror_r(errno, sbuf, sizeof(sbuf)));
                 goto out_evsel_delete;
         }