diff --git a/community/ndisc6/APKBUILD b/main/ndisc6/APKBUILD
similarity index 88%
rename from community/ndisc6/APKBUILD
rename to main/ndisc6/APKBUILD
index d58d4ca21e10ab433621f977f4ed7331791c10ee..bc4544e0652fe31e934e9c61f9fbf28548bf6e17 100644
--- a/community/ndisc6/APKBUILD
+++ b/main/ndisc6/APKBUILD
@@ -2,18 +2,18 @@
 # Maintainer: Kevin Daudt <kdaudt@alpinelinux.org>
 pkgname=ndisc6
 pkgver=1.0.4
-pkgrel=3
+pkgrel=4
 pkgdesc="a small collection of useful tools for IPv6 networking"
 url="https://www.remlab.net/ndisc6"
 arch="all"
 license="GPL-2.0-or-later"
 makedepends="linux-headers perl"
-depends="sed" # merge-hook uses regex not supported by bb sed
 subpackages="$pkgname-doc rdnssd rdnssd-openrc:openrc:noarch $pkgname-dnssort::noarch"
 source="https://www.remlab.net/files/ndisc6/ndisc6-$pkgver.tar.bz2
 	remove-undef-gnu-source.patch
 	rdnssd.initd
 	rdnssd.resolvconf
+	rdnssd-fix-merge-hook-regex.patch
 	"
 
 build() {
@@ -57,4 +57,5 @@ rdnssd() {
 sha512sums="6f6cd939fb7079518db5c1bcd11353c722237d7735d229f9fd20d03e9f16b1ddf07c7c78c91364886148f2a82d6805eafe7e27da6b4e7c99b111603ec5fab842  ndisc6-1.0.4.tar.bz2
 182f365ab743185c594394a92a0408f0feac09e969367080be0b62b966a2e10ce59256e0aca263d5cd6809d81fa8e7370317e136659d843599daa1fb88b51bf8  remove-undef-gnu-source.patch
 5475dbe63b2855f6f5fdb0663dd235a4261db44f8f639b4b13712b62f9ca2adf9de6e899e72eee238a284d40d11f9fdd4778e11cdec739ee3abbffc85ac36d21  rdnssd.initd
-7b23eafa78bd88d43d0910dbb6cb8d248c00425edb0826571c4d4f9129de33f07093dba4a42f05a549ef1bb9a0fd301716a30bf95ceea18d445e291f0169a444  rdnssd.resolvconf"
+7b23eafa78bd88d43d0910dbb6cb8d248c00425edb0826571c4d4f9129de33f07093dba4a42f05a549ef1bb9a0fd301716a30bf95ceea18d445e291f0169a444  rdnssd.resolvconf
+6e24c20f5b54ed4867ead508e7f85dddc86804441e0876778927e815f4871d31e35e3872e1631b2b147641b18f735dcca9609072217a9e622b10b328b19d2e73  rdnssd-fix-merge-hook-regex.patch"
diff --git a/main/ndisc6/rdnssd-fix-merge-hook-regex.patch b/main/ndisc6/rdnssd-fix-merge-hook-regex.patch
new file mode 100644
index 0000000000000000000000000000000000000000..85e89136c4b420ec2960a1ca93dce5c30c96e35c
--- /dev/null
+++ b/main/ndisc6/rdnssd-fix-merge-hook-regex.patch
@@ -0,0 +1,17 @@
+Reason: '{,1}' is not valid in regular expressions, it should be '{0,1}'.
+Busybox sed does not accept the former.
+Upstream: no
+
+diff --git a/rdnss/merge-hook.in b/rdnss/merge-hook.in
+index 383a57c..00ddcb2 100644
+--- a/rdnss/merge-hook.in
++++ b/rdnss/merge-hook.in
+@@ -38,7 +38,7 @@ myresolvconf="$localstatedir/run/rdnssd/resolv.conf"
+ 
+ # These should be POSIX-compliant BREs
+ RE_NSV4='^nameserver  *\([0-9]\{1,3\}\.\)\{3,3\}[0-9]\{1,3\} *$'
+-RE_NSV4OR6='^nameserver  *[a-fA-F0-9:\.]\{1,46\}\(%[a-zA-Z0-9]\{1,\}\)\{,1\} *$'
++RE_NSV4OR6='^nameserver  *[a-fA-F0-9:\.]\{1,46\}\(%[a-zA-Z0-9]\{1,\}\)\{0,1\} *$'
+ 
+ # Count how many IPv6 nameservers we can fit
+ 
diff --git a/community/ndisc6/rdnssd.initd b/main/ndisc6/rdnssd.initd
similarity index 100%
rename from community/ndisc6/rdnssd.initd
rename to main/ndisc6/rdnssd.initd
diff --git a/community/ndisc6/rdnssd.resolvconf b/main/ndisc6/rdnssd.resolvconf
similarity index 100%
rename from community/ndisc6/rdnssd.resolvconf
rename to main/ndisc6/rdnssd.resolvconf
diff --git a/community/ndisc6/remove-undef-gnu-source.patch b/main/ndisc6/remove-undef-gnu-source.patch
similarity index 100%
rename from community/ndisc6/remove-undef-gnu-source.patch
rename to main/ndisc6/remove-undef-gnu-source.patch