diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 7af35af5a5e5..92f7c5a75208 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -829,6 +829,9 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
 	has_br_stack = perf_header__has_feat(&session->header,
 					     HEADER_BRANCH_STACK);
 
+	if (itrace_synth_opts.last_branch)
+		has_br_stack = true;
+
 	/*
 	 * Branch mode is a tristate:
 	 * -1 means default, so decide based on the file having branch data.