diff --git a/bugzilla.changes b/bugzilla.changes
index c1c9893..89dc2b1 100644
--- a/bugzilla.changes
+++ b/bugzilla.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Jan 19 10:29:21 UTC 2016 - ecsos@opensuse.org
+
+- fix error "Undefined subroutine..." in whine.pl
+  https://bugzilla.mozilla.org/show_bug.cgi?id=1235395
+
 -------------------------------------------------------------------
 Sun Jan  3 00:50:39 UTC 2016 - ecsos@opensuse.org
 
diff --git a/bugzilla.spec b/bugzilla.spec
index 11bb5b1..e40a64a 100644
--- a/bugzilla.spec
+++ b/bugzilla.spec
@@ -30,6 +30,7 @@ Source:         http://ftp.mozilla.org/pub/mozilla.org/webtools/%{name}-%{versio
 Source2:        http://downloads.sourceforge.net/project/bugzilla-de/5.0/5.0/%{name}-de-5.0-1.utf-8.tar.gz
 Source3:        MPL-2.0.html
 Source4:        %{name}.conf
+Patch1:			fix_whine_error.patch
 BuildRequires:  apache
 BuildRequires:  fdupes
 Requires:       apache
@@ -120,6 +121,7 @@ This package includes german language files for bugzilla
 
 %prep
 %setup -q
+%patch1 -p1
 
 %build
 
diff --git a/fix_whine_error.patch b/fix_whine_error.patch
new file mode 100644
index 0000000..bbc3eb3
--- /dev/null
+++ b/fix_whine_error.patch
@@ -0,0 +1,130 @@
+diff --git a/Bugzilla/Mailer.pm b/Bugzilla/Mailer.pm
+index 7ae81299fde2aee4342a37b2401fd52a0b3aab0f..2d29dd8060bd6f4657b1b0bc6395456e700e0c35 100644
+--- a/Bugzilla/Mailer.pm
++++ b/Bugzilla/Mailer.pm
+@@ -12,13 +12,13 @@ use strict;
+ use warnings;
+ 
+ use parent qw(Exporter);
+-@Bugzilla::Mailer::EXPORT = qw(MessageToMTA build_thread_marker);
+-
++@Bugzilla::Mailer::EXPORT = qw(MessageToMTA build_thread_marker generate_email);
+ use Bugzilla::Constants;
+ use Bugzilla::Error;
+ use Bugzilla::Hook;
+ use Bugzilla::MIME;
+ use Bugzilla::Util;
++use Bugzilla::User;
+ 
+ use Date::Format qw(time2str);
+ 
+@@ -161,6 +161,67 @@ sub send_staged_mail {
+     }
+ }
+ 
++sub generate_email {
++    my ($vars, $templates) = @_;
++    my ($lang, $email_format, $msg_text, $msg_html, $msg_header);
++    state $use_utf8 = Bugzilla->params->{'utf8'};
++
++    if ($vars->{to_user}) {
++        $lang = $vars->{to_user}->setting('lang');
++        $email_format = $vars->{to_user}->setting('email_format');
++    } else {
++        # If there are users in the CC list who don't have an account,
++        # use the default language for email notifications.
++        $lang = Bugzilla::User->new()->setting('lang');
++        # However we cannot fall back to the default email_format, since
++        # it may be HTML, and many of the includes used in the HTML
++        # template require a valid user object. Instead we fall back to
++        # the plaintext template.
++        $email_format = 'text_only';
++    }
++
++    my $template = Bugzilla->template_inner($lang);
++
++    $template->process($templates->{header}, $vars, \$msg_header)
++        || ThrowTemplateError($template->error());
++    $template->process($templates->{text}, $vars, \$msg_text)
++        || ThrowTemplateError($template->error());
++
++    my @parts = (
++        Bugzilla::MIME->create(
++            attributes => {
++                content_type => 'text/plain',
++                charset      => $use_utf8 ? 'UTF-8' : 'iso-8859-1',
++                encoding     => 'quoted-printable',
++            },
++            body_str => $msg_text,
++        )
++    );
++    if ($templates->{html} && $email_format eq 'html') {
++        $template->process($templates->{html}, $vars, \$msg_html)
++            || ThrowTemplateError($template->error());
++        push @parts, Bugzilla::MIME->create(
++            attributes => {
++                content_type => 'text/html',
++                charset      => $use_utf8 ? 'UTF-8' : 'iso-8859-1',
++                encoding     => 'quoted-printable',
++            },
++            body_str => $msg_html,
++        );
++    }
++
++    my $email = Bugzilla::MIME->new($msg_header);
++    if (scalar(@parts) == 1) {
++        $email->content_type_set($parts[0]->content_type);
++    } else {
++        $email->content_type_set('multipart/alternative');
++        # Some mail clients need same encoding for each part, even empty ones.
++        $email->charset_set('UTF-8') if $use_utf8;
++    }
++    $email->parts_set(\@parts);
++    return $email;
++}
++
+ 1;
+ 
+ __END__
+@@ -173,6 +234,10 @@ Bugzilla::Mailer - Provides methods for sending email
+ 
+ =over
+ 
++=item C<generate_email>
++
++Generates a multi-part email message, using the supplied list of templates.
++
+ =item C<MessageToMTA>
+ 
+ Sends the passed message to the mail transfer agent.
+diff --git a/Bugzilla/Product.pm b/Bugzilla/Product.pm
+index 30ebc7c6cd564080589ad04db4aedcb59d63290a..0c0cb458d554b2def12164e35d848d8a4c9583de 100644
+--- a/Bugzilla/Product.pm
++++ b/Bugzilla/Product.pm
+@@ -22,7 +22,6 @@ use Bugzilla::Milestone;
+ use Bugzilla::Field;
+ use Bugzilla::Status;
+ use Bugzilla::Install::Requirements;
+-use Bugzilla::Mailer;
+ use Bugzilla::Series;
+ use Bugzilla::Hook;
+ use Bugzilla::FlagType;
+diff --git a/whine.pl b/whine.pl
+index 39c9aeed2e766824a900459c4364c6831ba82744..c81ca2022db3d8e6b32dfe1464569b17f6e75374 100755
+--- a/whine.pl
++++ b/whine.pl
+@@ -13,14 +13,13 @@
+ use 5.10.1;
+ use strict;
+ use warnings;
+-
+ use lib qw(. lib);
+ 
+ use Bugzilla;
+ use Bugzilla::Constants;
+ use Bugzilla::Search;
+ use Bugzilla::User;
+-use Bugzilla::Mailer;
++use Bugzilla::Mailer qw(MessageToMTA generate_email);
+ use Bugzilla::Util;
+ use Bugzilla::Group;