diff --git a/libxcrypt-4.4.5-make_unalignment_test_really_unaligned.patch b/libxcrypt-4.4.5-make_unalignment_test_really_unaligned.patch
new file mode 100644
index 0000000..07a0df9
--- /dev/null
+++ b/libxcrypt-4.4.5-make_unalignment_test_really_unaligned.patch
@@ -0,0 +1,47 @@
+From 9b2e9bd79cb91f50dd713899544423808f932b09 Mon Sep 17 00:00:00 2001
+From: Vitaly Chikunov <vt@altlinux.org>
+Date: Sat, 4 May 2019 21:19:06 +0300
+Subject: [PATCH] crypt-kat: Make unalignment test really unaligned.
+
+As noted and suggested by Solar.
+---
+ test/crypt-kat.c | 13 ++++++++-----
+ 1 file changed, 8 insertions(+), 5 deletions(-)
+
+diff --git a/test/crypt-kat.c b/test/crypt-kat.c
+index 4402e24..19a79b1 100644
+--- a/test/crypt-kat.c
++++ b/test/crypt-kat.c
+@@ -200,24 +200,27 @@ static void *
+ calc_hashes_crypt_r_rn (ARG_UNUSED (void *unused))
+ {
+   char *hash;
+-  char pass[CRYPT_MAX_PASSPHRASE_SIZE];
++  union {
++      char pass[CRYPT_MAX_PASSPHRASE_SIZE + 1];
++      int aligned;
++  } u;
+   size_t i;
+   struct crypt_data data;
+   int status = 0;
+ 
+   memset (&data, 0, sizeof data);
+-  memset (pass, 0, CRYPT_MAX_PASSPHRASE_SIZE);
++  memset (u.pass, 0, CRYPT_MAX_PASSPHRASE_SIZE + 1);
+   for (i = 0; i < ntests; i++)
+     {
+-      strncpy(pass + 1, tests[i].input, CRYPT_MAX_PASSPHRASE_SIZE - 1);
++      strncpy(u.pass + 1, tests[i].input, CRYPT_MAX_PASSPHRASE_SIZE);
+       printf("[%d]: %s %s\n", strlen(tests[i].input), tests[i].input, tests[i].salt);
+       errno = 0;
+-      hash = crypt_r (pass + 1, tests[i].salt, &data);
++      hash = crypt_r (u.pass + 1, tests[i].salt, &data);
+       status |= report_result ("crypt_r", hash, errno, &tests[i],
+                                ENABLE_FAILURE_TOKENS);
+ 
+       errno = 0;
+-      hash = crypt_rn (pass + 1, tests[i].salt, &data, (int)sizeof data);
++      hash = crypt_rn (u.pass + 1, tests[i].salt, &data, (int)sizeof data);
+       status |= report_result ("crypt_rn", hash, errno, &tests[i], false);
+     }
+ 
diff --git a/libxcrypt.spec b/libxcrypt.spec
index 53d8d4e..8c0feba 100644
--- a/libxcrypt.spec
+++ b/libxcrypt.spec
@@ -153,6 +153,7 @@ 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
+Patch0001:      %{url}/commit/9b2e9bd79cb91f50dd713899544423808f932b09.patch#/%{name}-4.4.5-make_unalignment_test_really_unaligned.patch
 
 # Patch 3000 - 5999: Backported patches from pull requests.
 
@@ -463,6 +464,7 @@ done
 * 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
+- Add patch to make unalignment test really unaligned
 
 * Fri Mar 15 2019 Björn Esser <besser82@fedoraproject.org> - 4.4.4-2
 - Change Recommends: whois-mkpasswd to Fedora 30 and later (#1687870)