diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c
index df9358e30814c67e4033b98d9a446d3d7aa7853b..7039541e837f69aea91596927de13aca9fe56119 100644
--- a/drivers/extcon/extcon-max8997.c
+++ b/drivers/extcon/extcon-max8997.c
@@ -109,7 +109,7 @@ struct max8997_muic_info {
 	struct extcon_dev	*edev;
 };
 
-const char *max8997_extcon_cable[] = {
+static const char *max8997_extcon_cable[] = {
 	[0] = "USB",
 	[1] = "USB-Host",
 	[2] = "TA",