diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c
index edcd397cae11..e9619acc0237 100644
--- a/drivers/mfd/mc13xxx-core.c
+++ b/drivers/mfd/mc13xxx-core.c
@@ -477,7 +477,7 @@ enum mc13xxx_id {
 	MC13XXX_ID_INVALID,
 };
 
-const char *mc13xxx_chipname[] = {
+static const char *mc13xxx_chipname[] = {
 	[MC13XXX_ID_MC13783] = "mc13783",
 	[MC13XXX_ID_MC13892] = "mc13892",
 };