diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index bc5259db5fd91b51af3b376c5ee5334c137fec4c..b9d6306cc14ea0079e24876596dc8a4420e3230e 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -820,7 +820,7 @@ static int __cmd_inject(struct perf_inject *inject)
 		inject->tool.ordered_events = true;
 		inject->tool.ordering_requires_timestamps = true;
 		/* Allow space in the header for new attributes */
-		output_data_offset = 4096;
+		output_data_offset = roundup(8192 + session->header.data_offset, 4096);
 		if (inject->strip)
 			strip_init(inject);
 	}