diff --git a/drivers/net/wireless/ath/dfs_pattern_detector.c b/drivers/net/wireless/ath/dfs_pattern_detector.c
index 2f8136d50f78..4100ffd42a43 100644
--- a/drivers/net/wireless/ath/dfs_pattern_detector.c
+++ b/drivers/net/wireless/ath/dfs_pattern_detector.c
@@ -338,7 +338,7 @@ static bool dpd_set_domain(struct dfs_pattern_detector *dpd,
 	return true;
 }
 
-static struct dfs_pattern_detector default_dpd = {
+static const struct dfs_pattern_detector default_dpd = {
 	.exit		= dpd_exit,
 	.set_dfs_domain	= dpd_set_domain,
 	.add_pulse	= dpd_add_pulse,