diff --git a/libxcrypt-4.4.3-test-alg-hmac-sha1_Fix_format-overflow.patch b/libxcrypt-4.4.3-test-alg-hmac-sha1_Fix_format-overflow.patch
new file mode 100644
index 0000000..f7db7a0
--- /dev/null
+++ b/libxcrypt-4.4.3-test-alg-hmac-sha1_Fix_format-overflow.patch
@@ -0,0 +1,31 @@
+From 2e4135284e7aaeac2218878041de31d8e724dc8f Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Bj=C3=B6rn=20Esser?= <besser82@fedoraproject.org>
+Date: Thu, 24 Jan 2019 22:22:36 +0100
+Subject: [PATCH] test-alg-hmac-sha1: Fix -Wformat-overflow.
+
+---
+ test-alg-hmac-sha1.c | 11 +++++++++--
+ 1 file changed, 9 insertions(+), 2 deletions(-)
+
+diff --git a/test-alg-hmac-sha1.c b/test-alg-hmac-sha1.c
+index ffc6cb4..167f0b4 100644
+--- a/test-alg-hmac-sha1.c
++++ b/test-alg-hmac-sha1.c
+@@ -162,8 +162,15 @@ main (void)
+       if (strcmp (dbuf, test->expect) != 0)
+         {
+           n = 1;
+-          printf ("\nkey=%s, data=%s,\nresult=%s: %s\n",
+-                  test->key, test->data, dbuf, test->expect);
++          printf ("\nkey=");
++          puts (test->key);
++          puts (", data=");
++          puts (test->data);
++          printf (",\nresult=");
++          puts (dbuf);
++          puts (": ");
++          puts (test->expect);
++          printf ("\n");
+         }
+     }
+   return n;
diff --git a/libxcrypt.spec b/libxcrypt.spec
index 6c1a264..3755a42 100644
--- a/libxcrypt.spec
+++ b/libxcrypt.spec
@@ -135,6 +135,7 @@ 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/2e4135284e7aaeac2218878041de31d8e724dc8f.patch#/%{name}-4.4.3-test-alg-hmac-sha1_Fix_format-overflow.patch
 
 # Patch 3000 - 5999: Backported patches from pull requests.
 
@@ -401,6 +402,7 @@ done
 * Thu Jan 24 2019 Björn Esser <besser82@fedoraproject.org> - 4.4.3-2
 - Fix and simplify the conditionals for the compat package
 - Add an option to replace unsafe functions in the compat lib with a stub
+- Add patch to fix another possible format-overflow
 
 * Thu Jan 24 2019 Björn Esser <besser82@fedoraproject.org> - 4.4.3-1
 - New upstream release