diff --git a/qcom/opensource/wlan/platform/cnss2/main.c b/qcom/opensource/wlan/platform/cnss2/main.c
index 3c0cd821b7..2611f58ddf 100644
--- a/qcom/opensource/wlan/platform/cnss2/main.c
+++ b/qcom/opensource/wlan/platform/cnss2/main.c
@@ -2657,7 +2657,7 @@ static int cnss_set_cx_voltage_corner_sdam(struct cnss_plat_data *plat_priv,
 	return 0;
 }
 
-u8 *cnss_read_debug_register(struct cnss_plat_data *plat_priv)
+static u8 *cnss_read_debug_register(struct cnss_plat_data *plat_priv)
 {
 	cnss_pr_info("Entering negative cnss_read_debug_register function\n");
 	return NULL;