1 files changed, 2 insertions, 1 deletions

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index d286f73ef2e5..dc8a6c4986ce 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -727,7 +727,8 @@ static struct syscall_fmt {
                    [2] = { .scnprintf = SCA_MMAP_PROT,  /* prot */ },
                    [3] = { .scnprintf = SCA_MMAP_FLAGS, /* flags */ }, }, },
         { .name     = "mount",
-          .arg = { [3] = { .scnprintf = SCA_MOUNT_FLAGS, /* flags */
+          .arg = { [0] = { .scnprintf = SCA_FILENAME, /* dev_name */ },
+                   [3] = { .scnprintf = SCA_MOUNT_FLAGS, /* flags */
                            .mask_val  = SCAMV_MOUNT_FLAGS, /* flags */ }, }, },
         { .name     = "mprotect",
           .arg = { [0] = { .scnprintf = SCA_HEX,        /* start */ },