1 files changed, 1 insertions, 0 deletions

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index d59bf8a86743..914ab366e369 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -196,6 +196,7 @@ static int __cmd_trace(void)
                 exit(0);
         }
         header = perf_header__read(input);
+        head = header->data_offset;
         sample_type = perf_header__sample_type(header);
 
         if (!(sample_type & PERF_SAMPLE_RAW))