diff --git a/drivers/pinctrl/aspeed/pinmux-aspeed.c b/drivers/pinctrl/aspeed/pinmux-aspeed.c
index 5b0fe178ccf2..839c01b7953f 100644
--- a/drivers/pinctrl/aspeed/pinmux-aspeed.c
+++ b/drivers/pinctrl/aspeed/pinmux-aspeed.c
@@ -5,7 +5,7 @@
 
 #include "pinmux-aspeed.h"
 
-const char *const aspeed_pinmux_ips[] = {
+static const char *const aspeed_pinmux_ips[] = {
 	[ASPEED_IP_SCU] = "SCU",
 	[ASPEED_IP_GFX] = "GFX",
 	[ASPEED_IP_LPC] = "LPC",