diff --git a/varnish-6.1.1_fix_upstrbug_2879.patch b/varnish-6.1.1_fix_upstrbug_2879.patch
new file mode 100644
index 0000000..376175f
--- /dev/null
+++ b/varnish-6.1.1_fix_upstrbug_2879.patch
@@ -0,0 +1,39 @@
+commit 7119d790b590e7fb560ad602cedfda5185c7e841
+Author: Poul-Henning Kamp <phk@FreeBSD.org>
+Date:   Fri Jan 11 10:26:44 2019 +0000
+
+    Avoid printing %s,NULL in case of errors we do not expect.
+    
+    Fixes #2879
+
+diff --git a/lib/libvarnish/vnum.c b/lib/libvarnish/vnum.c
+index b619199c6..59e804ec8 100644
+--- a/lib/libvarnish/vnum.c
++++ b/lib/libvarnish/vnum.c
+@@ -349,15 +349,17 @@ main(int argc, char *argv[])
+ 
+ 	for (tc = test_cases; tc->str; ++tc) {
+ 		e = VNUM_2bytes(tc->str, &val, tc->rel);
+-		if (e != tc->err) {
+-			printf("%s: VNUM_2bytes(\"%s\", %ju) (%s) != (%s)\n",
+-			    *argv, tc->str, tc->rel, tc->err, e);
+-			++ec;
+-		} else if (e == NULL && val != tc->val) {
+-			printf("%s: VNUM_2bytes(\"%s\", %ju) %ju != %ju (%s)\n",
+-			    *argv, tc->str, tc->rel, val, tc->val, e);
+-			++ec;
+-		}
++		if (e != NULL)
++			val = 0;
++		if (e == tc->err && val == tc->val)
++			continue;
++		++ec;
++		printf("%s: VNUM_2bytes(\"%s\", %ju)\n",
++		   *argv, tc->str, tc->rel);
++		printf("\tExpected:\tstatus %s - value %ju\n",
++		    tc->err ? tc->err : "Success", tc->val);
++		printf("\tGot:\t\tstatus %s - value %ju\n",
++		    e ? e : "Success", val);
+ 	}
+ 	if (!isnan(VNUM_duration(NULL))) {
+ 		printf("%s: VNUM_Duration(NULL) fail\n", *argv);
diff --git a/varnish.spec b/varnish.spec
index 07fb15c..b4c8dc8 100644
--- a/varnish.spec
+++ b/varnish.spec
@@ -21,7 +21,7 @@
 Summary: High-performance HTTP accelerator
 Name: varnish
 Version: 6.1.1
-Release: 3%{?dist}
+Release: 4%{?dist}
 License: BSD
 URL: https://www.varnish-cache.org/
 Source0: http://varnish-cache.org/_downloads/%{name}-%{version}%{?vd_rc}.tgz
@@ -36,6 +36,9 @@ Patch12: varnish-6.0.1_fix_bug2668.patch
 # Just a simple formatting error
 Patch13: varnish-6.1.0_fix_testu00008.patch
 
+# Another formatting error fixed upstream
+Patch14: varnish-6.1.1_fix_upstrbug_2879.patch
+
 %if 0%{?fedora} > 29
 Provides: varnish%{_isa} = %{version}-%{release}
 Provides: varnishd(abi)%{_isa} = %{abi}
@@ -156,6 +159,7 @@ sed -i '8 i\RPM_BUILD_ROOT=%{buildroot}' find-provides
 %endif
 #patch12 -p1
 %patch13 -p0
+%patch14 -p1
 
 %build
 %if 0%{?rhel} == 6
@@ -396,6 +400,9 @@ fi
 
 
 %changelog
+* Thu Feb 14 2019 Ingvar Hagelund <ingvar@redpill-linpro.com> - 6.1.1-4
+- Adding a patch from upstream fixing a simple formatting bug on gcc-9
+
 * Sun Feb 03 2019 Fedora Release Engineering <releng@fedoraproject.org> - 6.1.1-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild