diff -u b/dmidecode.c b/dmidecode.c
--- b/dmidecode.c
+++ b/dmidecode.c
@@ -90,7 +90,7 @@
 #define FLAG_NO_FILE_OFFSET     (1 << 0)
 #define FLAG_STOP_AT_EOT        (1 << 1)
 
-#define SYS_FIRMWARE_DIR "/sys/firmware/dmi/tables"
+#define SYS_FIRMWARE_DIR "/sys/firmware/bios"
 #define SYS_ENTRY_FILE SYS_FIRMWARE_DIR "/smbios_entry_point"
 #define SYS_TABLE_FILE SYS_FIRMWARE_DIR "/DMI"