diff --git a/drivers/net/wireless/silabs/wfx/main.c b/drivers/net/wireless/silabs/wfx/main.c
index b6fd9d4c1f5f..16d5b51f6f03 100644
--- a/drivers/net/wireless/silabs/wfx/main.c
+++ b/drivers/net/wireless/silabs/wfx/main.c
@@ -411,6 +411,7 @@ int wfx_probe(struct wfx_dev *wdev)
 
 	if (wdev->hw_caps.link_mode == SEC_LINK_ENFORCED) {
 		dev_err(wdev->dev, "chip require secure_link, but can't negotiate it\n");
+		err = -EOPNOTSUPP;
 		goto irq_unsubscribe;
 	}