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diff --git a/docs/readme.eng.md b/docs/readme.eng.md
index 51d7b17..dba3840 100644
--- a/docs/readme.eng.md
+++ b/docs/readme.eng.md
@@ -149,7 +149,7 @@ nfqws takes the following parameters:
  --dpi-desync-skip-nosni=0|1		; 1(default)=do not apply desync to requests without hostname in the SNI
  --dpi-desync-split-pos=<1..1500>	; (for split* and disorder* only) split TCP packet at specified position
  --dpi-desync-badseq-increment=<int|0xHEX> ; badseq fooling seq signed increment. default -10000
- --dpi-desync-badack-increment=<int|0xHEX> ; badseq fooling ackseq signed increment. default -65000
+ --dpi-desync-badack-increment=<int|0xHEX> ; badseq fooling ackseq signed increment. default -66000
  --dpi-desync-any-protocol=0|1		; 0(default)=desync only http and tls  1=desync any nonempty data packet
  --dpi-desync-fake-http=<filename>      ; file containing fake http request. replacement for built-in
  --dpi-desync-fake-tls=<filename>       ; file containing fake TLS ClientHello (for https). replacement for built-in
diff --git a/docs/readme.txt b/docs/readme.txt
index 6bdd8d8..eaa1364 100644
--- a/docs/readme.txt
+++ b/docs/readme.txt
@@ -197,7 +197,7 @@ nfqws
  --dpi-desync-skip-nosni=0|1		; 1(default)=не применять dpi desync для запросов без hostname в SNI, в частности для ESNI
  --dpi-desync-split-pos=<1..1500>	; (только для split*, disorder*) разбивать пакет на указанной позиции
  --dpi-desync-badseq-increment=<int|0xHEX> ; инкремент sequence number для badseq. по умолчанию -10000
- --dpi-desync-badack-increment=<int|0xHEX> ; инкремент ack sequence number для badseq. по умолчанию -65000
+ --dpi-desync-badack-increment=<int|0xHEX> ; инкремент ack sequence number для badseq. по умолчанию -66000
  --dpi-desync-any-protocol=0|1		; 0(default)=работать только по http request и tls clienthello  1=по всем непустым пакетам данных
  --dpi-desync-fake-http=<filename>	; файл, содержащий фейковый http запрос для dpi-desync=fake, на замену стандартному w3.org
  --dpi-desync-fake-tls=<filename>	; файл, содержащий фейковый tls clienthello для dpi-desync=fake, на замену стандартному w3.org
diff --git a/nfq/params.h b/nfq/params.h
index 83298e3..f957478 100644
--- a/nfq/params.h
+++ b/nfq/params.h
@@ -18,7 +18,7 @@
 #define Q_MAXLEN	1024		// in packets
 
 #define BADSEQ_INCREMENT_DEFAULT 	-10000
-#define BADSEQ_ACK_INCREMENT_DEFAULT 	-65000
+#define BADSEQ_ACK_INCREMENT_DEFAULT 	-66000
 
 struct params_s
 {