diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c
index 02cc45f7d81b..d9b6882760d9 100644
--- a/kernel/sched/ext.c
+++ b/kernel/sched/ext.c
@@ -968,7 +968,7 @@ struct scx_dump_data {
 	struct scx_bstr_buf	buf;
 };
 
-struct scx_dump_data scx_dump_data = {
+static struct scx_dump_data scx_dump_data = {
 	.cpu			= -1,
 };