diff --git a/libxcrypt-4.4.5-remove_unneeded_union_keyword.patch b/libxcrypt-4.4.5-remove_unneeded_union_keyword.patch
new file mode 100644
index 0000000..42f7187
--- /dev/null
+++ b/libxcrypt-4.4.5-remove_unneeded_union_keyword.patch
@@ -0,0 +1,22 @@
+From 5cce1ebe4e8e303bab593af694c9d30c51cf5eb4 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Bj=C3=B6rn=20Esser?= <besser82@fedoraproject.org>
+Date: Sat, 4 May 2019 19:46:16 +0200
+Subject: [PATCH] alg-gost3411-2012-core: Remove unneeded union keyword.
+
+---
+ lib/alg-gost3411-2012-core.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/lib/alg-gost3411-2012-core.c b/lib/alg-gost3411-2012-core.c
+index f508ba8..13bb493 100644
+--- a/lib/alg-gost3411-2012-core.c
++++ b/lib/alg-gost3411-2012-core.c
+@@ -149,7 +149,7 @@ g(uint512_u *h, const uint512_u *N, const unsigned char *m)
+ static inline void
+ stage2(GOST34112012Context *CTX, const unsigned char *data)
+ {
+-    union uint512_u m;
++    uint512_u m;
+ 
+     memcpy(&m, data, sizeof(m));
+     g(&(CTX->h), &(CTX->N), (const unsigned char *)&m);
diff --git a/libxcrypt.spec b/libxcrypt.spec
index f17dabf..53d8d4e 100644
--- a/libxcrypt.spec
+++ b/libxcrypt.spec
@@ -152,6 +152,7 @@ URL:            https://github.com/besser82/%{name}
 Source0:        %{url}/archive/v%{version}/%{name}-%{version}.tar.gz
 
 # Patch 0000 - 2999: Backported patches from upstream.
+Patch0000:      %{url}/commit/5cce1ebe4e8e303bab593af694c9d30c51cf5eb4.patch#/%{name}-4.4.5-remove_unneeded_union_keyword.patch
 
 # Patch 3000 - 5999: Backported patches from pull requests.
 
@@ -461,6 +462,7 @@ done
 %changelog
 * Sat May 04 2019 Björn Esser <besser82@fedoraproject.org> - 4.4.5-1
 - New upstream release (#1706419)
+- Add patch to remove an unneeded union keyword
 
 * Fri Mar 15 2019 Björn Esser <besser82@fedoraproject.org> - 4.4.4-2
 - Change Recommends: whois-mkpasswd to Fedora 30 and later (#1687870)