diff --git a/texinfo-6.5-fix-for-perl-5.28.patch b/texinfo-6.5-fix-for-perl-5.28.patch
new file mode 100644
index 0000000..77346a8
--- /dev/null
+++ b/texinfo-6.5-fix-for-perl-5.28.patch
@@ -0,0 +1,17 @@
+diff -up texinfo-6.5/tp/Texinfo/Parser.pm.orig texinfo-6.5/tp/Texinfo/Parser.pm
+--- texinfo-6.5/tp/Texinfo/Parser.pm.orig	2018-06-12 13:40:29.356030136 +0200
++++ texinfo-6.5/tp/Texinfo/Parser.pm	2018-06-12 13:41:28.357725639 +0200
+@@ -5478,11 +5478,11 @@ sub _parse_special_misc_command($$$$)
+     }
+   } elsif ($command eq 'clickstyle') {
+     # REMACRO
+-    if ($line =~ /^\s+@([[:alnum:]][[:alnum:]\-]*)({})?\s*/) {
++    if ($line =~ /^\s+@([[:alnum:]][[:alnum:]\-]*)(\{})?\s*/) {
+       $args = ['@'.$1];
+       $self->{'clickstyle'} = $1;
+       $remaining = $line;
+-      $remaining =~ s/^\s+@([[:alnum:]][[:alnum:]\-]*)({})?\s*(\@(c|comment)((\@|\s+).*)?)?//;
++      $remaining =~ s/^\s+@([[:alnum:]][[:alnum:]\-]*)(\{})?\s*(\@(c|comment)((\@|\s+).*)?)?//;
+       $has_comment = 1 if (defined($4));
+     } else {
+       $self->line_error (sprintf($self->__(
diff --git a/texinfo.spec b/texinfo.spec
index b081f00..dd0ceaa 100644
--- a/texinfo.spec
+++ b/texinfo.spec
@@ -3,7 +3,7 @@
 Summary: Tools needed to create Texinfo format documentation files
 Name: texinfo
 Version: 6.5
-Release: 5%{?dist}
+Release: 6%{?dist}
 License: GPLv3+
 Url: http://www.gnu.org/software/texinfo/
 Source0: ftp://ftp.gnu.org/gnu/texinfo/texinfo-%{version}.tar.xz
@@ -21,6 +21,8 @@ Patch3: info-6.5-sync-fix-info-dir.patch
 Patch4: texinfo-20180310-texinfo.tex.patch
 # rhbz#1592433, bug in fix-info-dir --delete
 Patch5: texinfo-6.5-fix-info-dir.patch
+# Patch6: rhbz#1590308, fixes test fail with unescaped left brace
+Patch6: texinfo-6.5-fix-for-perl-5.28.patch
 
 BuildRequires: gcc
 BuildRequires: perl-generators
@@ -147,6 +149,11 @@ export ALL_TESTS=yes
 %{_mandir}/man1/pdftexi2dvi.1*
 
 %changelog
+* Thu Jun 21 2018 Vitezslav Crhonek <vcrhonek@redhat.com> - 6.5-6
+- Fix fail of test because of unescaped left brace with Perl 5.28
+  (patch by Jitka Plesnikova)
+  Resolves: #1590308
+
 * Tue Jun 19 2018 Jason L Tibbitts III <tibbs@math.uh.edu> - 6.5-5
 - Fix bug in fix-info-dir which prevented the transfiletriggerpostun script
   from working properly.