diff --git a/init.d/openwrt/custom.d.examples/10-inherit-nfqws b/init.d/openwrt/custom.d.examples/10-inherit-nfqws
index b1564024..83db175f 100644
--- a/init.d/openwrt/custom.d.examples/10-inherit-nfqws
+++ b/init.d/openwrt/custom.d.examples/10-inherit-nfqws
@@ -6,17 +6,20 @@ zapret_custom_daemons()
 {
         # stop logic is managed by procd
 
-	MODE_OVERRIDE=$OVERRIDE start_daemons_procd
+	local MODE_OVERRIDE=$OVERRIDE
+	start_daemons_procd
 }
 zapret_custom_firewall()
 {
 	# $1 - 1 - run, 0 - stop
 
-	MODE_OVERRIDE=$OVERRIDE zapret_do_firewall_rules_ipt $1
+	local MODE_OVERRIDE=$OVERRIDE
+	zapret_do_firewall_rules_ipt $1
 }
 zapret_custom_firewall_nft()
 {
 	# stop logic is not required
 
-	MODE_OVERRIDE=$OVERRIDE zapret_apply_firewall_rules_nft
+	local MODE_OVERRIDE=$OVERRIDE
+	zapret_apply_firewall_rules_nft
 }
diff --git a/init.d/openwrt/custom.d.examples/10-inherit-tpws b/init.d/openwrt/custom.d.examples/10-inherit-tpws
index e9c5f69c..157eab4c 100644
--- a/init.d/openwrt/custom.d.examples/10-inherit-tpws
+++ b/init.d/openwrt/custom.d.examples/10-inherit-tpws
@@ -6,17 +6,20 @@ zapret_custom_daemons()
 {
         # stop logic is managed by procd
 
-	MODE_OVERRIDE=$OVERRIDE start_daemons_procd
+	local MODE_OVERRIDE=$OVERRIDE
+	start_daemons_procd
 }
 zapret_custom_firewall()
 {
 	# $1 - 1 - run, 0 - stop
 
-	MODE_OVERRIDE=$OVERRIDE zapret_do_firewall_rules_ipt $1
+	local MODE_OVERRIDE=$OVERRIDE
+	zapret_do_firewall_rules_ipt $1
 }
 zapret_custom_firewall_nft()
 {
 	# stop logic is not required
 
-	MODE_OVERRIDE=$OVERRIDE zapret_apply_firewall_rules_nft
+	local MODE_OVERRIDE=$OVERRIDE
+	zapret_apply_firewall_rules_nft
 }
diff --git a/init.d/openwrt/custom.d.examples/10-inherit-tpws-socks b/init.d/openwrt/custom.d.examples/10-inherit-tpws-socks
index b4e686a7..90c97e90 100644
--- a/init.d/openwrt/custom.d.examples/10-inherit-tpws-socks
+++ b/init.d/openwrt/custom.d.examples/10-inherit-tpws-socks
@@ -6,17 +6,20 @@ zapret_custom_daemons()
 {
         # stop logic is managed by procd
 
-	MODE_OVERRIDE=$OVERRIDE start_daemons_procd
+	local MODE_OVERRIDE=$OVERRIDE
+	start_daemons_procd
 }
 zapret_custom_firewall()
 {
 	# $1 - 1 - run, 0 - stop
 
-	MODE_OVERRIDE=$OVERRIDE zapret_do_firewall_rules_ipt $1
+	local MODE_OVERRIDE=$OVERRIDE
+	zapret_do_firewall_rules_ipt $1
 }
 zapret_custom_firewall_nft()
 {
 	# stop logic is not required
 
-	MODE_OVERRIDE=$OVERRIDE zapret_apply_firewall_rules_nft
+	local MODE_OVERRIDE=$OVERRIDE
+	zapret_apply_firewall_rules_nft
 }
diff --git a/init.d/openwrt/custom.d.examples/10-inherit-tpws4http-nfqws4https b/init.d/openwrt/custom.d.examples/10-inherit-tpws4http-nfqws4https
index 752b1a20..c3685a53 100644
--- a/init.d/openwrt/custom.d.examples/10-inherit-tpws4http-nfqws4https
+++ b/init.d/openwrt/custom.d.examples/10-inherit-tpws4http-nfqws4https
@@ -5,7 +5,7 @@ nfqws_tpws_inheritor()
 {
 	# $1 - inherited function
 	# $2 - 1 - run, 0 - stop
-	
+	local MODE_OVERRIDE
 	[ "$MODE_HTTP" = "1" ] && {
 		MODE_OVERRIDE=tpws MODE_HTTPS=0 MODE_QUIC=0 $1 $2
 	}
diff --git a/init.d/sysv/custom.d.examples/10-inherit-nfqws b/init.d/sysv/custom.d.examples/10-inherit-nfqws
index 60029690..2e2dca02 100644
--- a/init.d/sysv/custom.d.examples/10-inherit-nfqws
+++ b/init.d/sysv/custom.d.examples/10-inherit-nfqws
@@ -6,17 +6,20 @@ zapret_custom_daemons()
 {
 	# $1 - 1 - run, 0 - stop
 
-	MODE_OVERRIDE=$OVERRIDE zapret_do_daemons $1
+	local MODE_OVERRIDE=$OVERRIDE
+	zapret_do_daemons $1
 }
 zapret_custom_firewall()
 {
 	# $1 - 1 - run, 0 - stop
 
-	MODE_OVERRIDE=$OVERRIDE zapret_do_firewall_rules_ipt $1
+	local MODE_OVERRIDE=$OVERRIDE
+	zapret_do_firewall_rules_ipt $1
 }
 zapret_custom_firewall_nft()
 {
 	# stop logic is not required
 
-	MODE_OVERRIDE=$OVERRIDE zapret_apply_firewall_rules_nft
+	local MODE_OVERRIDE=$OVERRIDE
+	zapret_apply_firewall_rules_nft
 }
diff --git a/init.d/sysv/custom.d.examples/10-inherit-tpws b/init.d/sysv/custom.d.examples/10-inherit-tpws
index c1b183e3..84ac85f2 100644
--- a/init.d/sysv/custom.d.examples/10-inherit-tpws
+++ b/init.d/sysv/custom.d.examples/10-inherit-tpws
@@ -6,17 +6,20 @@ zapret_custom_daemons()
 {
 	# $1 - 1 - run, 0 - stop
 
-	MODE_OVERRIDE=$OVERRIDE zapret_do_daemons $1
+	local MODE_OVERRIDE=$OVERRIDE
+	zapret_do_daemons $1
 }
 zapret_custom_firewall()
 {
 	# $1 - 1 - run, 0 - stop
 
-	MODE_OVERRIDE=$OVERRIDE zapret_do_firewall_rules_ipt $1
+	local MODE_OVERRIDE=$OVERRIDE
+	zapret_do_firewall_rules_ipt $1
 }
 zapret_custom_firewall_nft()
 {
 	# stop logic is not required
 
-	MODE_OVERRIDE=$OVERRIDE zapret_apply_firewall_rules_nft
+	local MODE_OVERRIDE=$OVERRIDE
+	zapret_apply_firewall_rules_nft
 }
diff --git a/init.d/sysv/custom.d.examples/10-inherit-tpws-socks b/init.d/sysv/custom.d.examples/10-inherit-tpws-socks
index 7fcb0e26..62ddb0a2 100644
--- a/init.d/sysv/custom.d.examples/10-inherit-tpws-socks
+++ b/init.d/sysv/custom.d.examples/10-inherit-tpws-socks
@@ -6,17 +6,20 @@ zapret_custom_daemons()
 {
 	# $1 - 1 - run, 0 - stop
 
-	MODE_OVERRIDE=$OVERRIDE zapret_do_daemons $1
+	local MODE_OVERRIDE=$OVERRIDE
+	zapret_do_daemons $1
 }
 zapret_custom_firewall()
 {
 	# $1 - 1 - run, 0 - stop
 
-	MODE_OVERRIDE=$OVERRIDE zapret_do_firewall_rules_ipt $1
+	local MODE_OVERRIDE=$OVERRIDE
+	zapret_do_firewall_rules_ipt $1
 }
 zapret_custom_firewall_nft()
 {
 	# stop logic is not required
 
-	MODE_OVERRIDE=$OVERRIDE zapret_apply_firewall_rules_nft
+	local MODE_OVERRIDE=$OVERRIDE
+	zapret_apply_firewall_rules_nft
 }
diff --git a/init.d/sysv/custom.d.examples/10-inherit-tpws4http-nfqws4https b/init.d/sysv/custom.d.examples/10-inherit-tpws4http-nfqws4https
index f05d75eb..40eb419a 100644
--- a/init.d/sysv/custom.d.examples/10-inherit-tpws4http-nfqws4https
+++ b/init.d/sysv/custom.d.examples/10-inherit-tpws4http-nfqws4https
@@ -5,7 +5,7 @@ nfqws_tpws_inheritor()
 {
 	# $1 - inherited function
 	# $2 - 1 - run, 0 - stop
-	
+	local MODE_OVERRIDE
 	[ "$MODE_HTTP" = "1" ] && {
 		MODE_OVERRIDE=tpws MODE_HTTPS=0 MODE_QUIC=0 $1 $2
 	}