diff --git a/args.c b/args.c
index 237d83f..3d97d59 100644
--- a/args.c
+++ b/args.c
@@ -29,40 +29,40 @@ struct config_t config = {
 	.syslog = 0,
 };
 
-#define OPT_SNI_DOMAINS		1
-#define OPT_EXCLUDE_DOMAINS	25
-#define OPT_FAKE_SNI 		2
-#define OPT_FAKING_TTL		3
-#define OPT_FAKING_STRATEGY	10
-#define OPT_FAKE_SNI_SEQ_LEN	11
-#define OPT_FAKE_SNI_TYPE	27
-#define OPT_FAKE_CUSTOM_PAYLOAD	28
-#define OPT_START_SECTION	29
-#define OPT_END_SECTION		30
-#define OPT_DAEMONIZE		31
-#define OPT_NOCLOSE		32
-#define OPT_SYSLOG		33
-#define OPT_FRAG    		4
-#define OPT_FRAG_SNI_REVERSE	12
-#define OPT_FRAG_SNI_FAKED	13
-#define OPT_FRAG_MIDDLE_SNI	18
-#define OPT_FRAG_SNI_POS	19
-#define OPT_FK_WINSIZE		14
-#define OPT_TRACE		15
-#define OPT_QUIC_DROP		16
-#define OPT_SNI_DETECTION	17
-#define OPT_NO_IPV6		20
-#define OPT_FAKE_SEQ_OFFSET	21
-#define OPT_PACKET_MARK 	22
-#define OPT_SYNFAKE	 	23
-#define OPT_SYNFAKE_LEN	 	24
-#define OPT_SEG2DELAY 		5
-#define OPT_THREADS 		6
-#define OPT_SILENT 		7
-#define OPT_NO_GSO 		8
-#define OPT_QUEUE_NUM		9
-
-#define OPT_MAX OPT_SYSLOG
+enum {
+	OPT_SNI_DOMAINS,
+	OPT_EXCLUDE_DOMAINS,
+	OPT_FAKE_SNI,
+	OPT_FAKING_TTL,
+	OPT_FAKING_STRATEGY,
+	OPT_FAKE_SNI_SEQ_LEN,
+	OPT_FAKE_SNI_TYPE,
+	OPT_FAKE_CUSTOM_PAYLOAD,
+	OPT_START_SECTION,
+	OPT_END_SECTION,
+	OPT_DAEMONIZE,
+	OPT_NOCLOSE,
+	OPT_SYSLOG,
+	OPT_FRAG,
+	OPT_FRAG_SNI_REVERSE,
+	OPT_FRAG_SNI_FAKED,
+	OPT_FRAG_MIDDLE_SNI,
+	OPT_FRAG_SNI_POS,
+	OPT_FK_WINSIZE,
+	OPT_TRACE,
+	OPT_QUIC_DROP,
+	OPT_SNI_DETECTION,
+	OPT_NO_IPV6,
+	OPT_FAKE_SEQ_OFFSET,
+	OPT_PACKET_MARK,
+	OPT_SYNFAKE,
+	OPT_SYNFAKE_LEN,
+	OPT_SEG2DELAY,
+	OPT_THREADS,
+	OPT_SILENT,
+	OPT_NO_GSO,
+	OPT_QUEUE_NUM,
+};
 
 static struct option long_opt[] = {
 	{"help",		0, 0, 'h'},