diff --git a/src/drivers/i2c/at24rf08c/lenovo_serials.c b/src/drivers/i2c/at24rf08c/lenovo_serials.c
index dd09dda7fe..8b355062e5 100644
--- a/src/drivers/i2c/at24rf08c/lenovo_serials.c
+++ b/src/drivers/i2c/at24rf08c/lenovo_serials.c
@@ -154,7 +154,7 @@ void smbios_system_set_uuid(u8 *uuid)
 
 const char *smbios_mainboard_version(void)
 {
-	static char result[100];
+	static char result[90];
 	static int already_read;
 	struct device *dev;
 	int len;