diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c
index 9e2170604b66..021e9b1d5cc5 100644
--- a/tools/perf/util/data-convert-bt.c
+++ b/tools/perf/util/data-convert-bt.c
@@ -1607,25 +1607,23 @@ int bt_convert__perf2ctf(const char *input, const char *path,
 		.mode      = PERF_DATA_MODE_READ,
 		.force     = opts->force,
 	};
-	struct convert c = {
-		.tool = {
-			.sample          = process_sample_event,
-			.mmap            = perf_event__process_mmap,
-			.mmap2           = perf_event__process_mmap2,
-			.comm            = perf_event__process_comm,
-			.exit            = perf_event__process_exit,
-			.fork            = perf_event__process_fork,
-			.lost            = perf_event__process_lost,
-			.tracing_data    = perf_event__process_tracing_data,
-			.build_id        = perf_event__process_build_id,
-			.namespaces      = perf_event__process_namespaces,
-			.ordered_events  = true,
-			.ordering_requires_timestamps = true,
-		},
-	};
+	struct convert c = {};
 	struct ctf_writer *cw = &c.writer;
 	int err;
 
+	perf_tool__init(&c.tool, /*ordered_events=*/true);
+	c.tool.sample          = process_sample_event;
+	c.tool.mmap            = perf_event__process_mmap;
+	c.tool.mmap2           = perf_event__process_mmap2;
+	c.tool.comm            = perf_event__process_comm;
+	c.tool.exit            = perf_event__process_exit;
+	c.tool.fork            = perf_event__process_fork;
+	c.tool.lost            = perf_event__process_lost;
+	c.tool.tracing_data    = perf_event__process_tracing_data;
+	c.tool.build_id        = perf_event__process_build_id;
+	c.tool.namespaces      = perf_event__process_namespaces;
+	c.tool.ordering_requires_timestamps = true;
+
 	if (opts->all) {
 		c.tool.comm = process_comm_event;
 		c.tool.exit = process_exit_event;