1 files changed, 2 insertions, 6 deletions

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 05714d548584..ef09f26e67da 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -370,15 +370,11 @@ static int write_cmdline(int fd, struct perf_header *h __maybe_unused,
                          struct perf_evlist *evlist __maybe_unused)
 {
         char buf[MAXPATHLEN];
-        char proc[32];
         u32 n;
         int i, ret;
 
-        /*
-         * actual atual path to perf binary
-         */
-        sprintf(proc, "/proc/%d/exe", getpid());
-        ret = readlink(proc, buf, sizeof(buf));
+        /* actual path to perf binary */
+        ret = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
         if (ret <= 0)
                 return -1;