diff --git a/remove_flags.patch b/remove_flags.patch
new file mode 100644
index 0000000..687cee0
--- /dev/null
+++ b/remove_flags.patch
@@ -0,0 +1,24 @@
+--- xtables-addons-3.3/extensions/pknock/xt_pknock.c	2019-03-07 10:24:08.000000000 +0100
++++ xtables-addons-3.3/extensions/pknock/xt_pknock.c	2019-08-03 12:03:23.853137954 +0200
+@@ -1125,7 +1125,9 @@ static int __init xt_pknock_mt_init(void
+ 
+ 	crypto.size = crypto_shash_digestsize(crypto.tfm);
+ 	crypto.desc.tfm = crypto.tfm;
++#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 2, 0)
+ 	crypto.desc.flags = 0;
++#endif
+ 
+ 	pde = proc_mkdir("xt_pknock", init_net.proc_net);
+ 	if (pde == NULL) {
+--- xtables-addons-3.3/extensions/xt_SYSRQ.c	2019-03-07 10:24:08.000000000 +0100
++++ xtables-addons-3.3/extensions/xt_SYSRQ.c	2019-08-03 12:16:23.823303357 +0200
+@@ -114,7 +114,9 @@ static unsigned int sysrq_tg(const void
+ 	}
+ 
+ 	desc.tfm   = sysrq_tfm;
++#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 2, 0)
+ 	desc.flags = 0;
++#endif
+ 	ret = crypto_shash_init(&desc);
+ 	if (ret != 0)
+ 		goto hash_fail;
diff --git a/xtables-addons.changes b/xtables-addons.changes
index 5ab0da1..c89149f 100644
--- a/xtables-addons.changes
+++ b/xtables-addons.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sun Aug  4 10:29:06 UTC 2019 - Arjen de Korte <suse+build@de-korte.org>
+
+- Remove unused variable 'flags' from 'struct shash_desc'
+  * Support for Linux 5.2 (add remove_flags.patch)
+
 -------------------------------------------------------------------
 Thu Mar  7 09:22:45 UTC 2019 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/xtables-addons.spec b/xtables-addons.spec
index 3d491c3..469330e 100644
--- a/xtables-addons.spec
+++ b/xtables-addons.spec
@@ -30,6 +30,7 @@ Source:         http://downloads.sf.net/%name/%name-%version.tar.xz
 Source2:        http://downloads.sf.net/%name/%name-%version.tar.asc
 Source3:        %name-preamble
 Source4:        %name.keyring
+Patch0:         remove_flags.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  %kernel_module_package_buildreqs
 BuildRequires:  kernel-syms >= 4.15
@@ -71,6 +72,7 @@ main kernel/iptables packages.
 
 %prep
 %setup -q
+%patch0 -p1
 
 %build
 pushd ../