diff --git a/bgpq4.spec b/bgpq4.spec
index 406e036..2c9a0e6 100644
--- a/bgpq4.spec
+++ b/bgpq4.spec
@@ -10,7 +10,12 @@ Source0:        https://github.com/bgp/bgpq4/archive/%{version}/%{name}-%{versio
 BuildRequires:  autoconf
 BuildRequires:  automake
 BuildRequires:  gcc
+%if 0%{?fedora} || (0%{?rhel} && 0%{?rhel} > 6)
 BuildRequires:  discount
+%else
+BuildRequires:  python-markdown
+BuildRequires:  sed
+%endif
 
 %description
 The bgpq4 utility can be used to generate BGP filter configurations
@@ -21,6 +26,9 @@ OpenBGPD routers as well as generic JSON.
 
 %prep
 %setup -q
+%if 0%{?rhel} == 6
+sed -e '/^AC_PACKAGE_URL/d' -e 's/-std=gnu11/-std=gnu99/' -i configure.ac
+%endif
 autoreconf --install
 
 %build