diff --git a/ruby-qt.spec b/ruby-qt.spec
index 90f4224..4eeb930 100644
--- a/ruby-qt.spec
+++ b/ruby-qt.spec
@@ -13,6 +13,12 @@
 %global ruby_vendorarchdir %(ruby -rrbconfig -e 'puts Config::CONFIG["sitearchdir"]')
 %endif
 
+%if 0%{?rhel} == 6
+%define cmake_pkg cmake28
+%else
+%define cmake_pkg cmake
+%endif
+
 Summary: Ruby bindings for Qt 4
 Name:    ruby-qt
 Version: 4.11.2
@@ -28,7 +34,7 @@ URL:     https://projects.kde.org/projects/kde/kdebindings/ruby/qtruby
 %endif
 Source0: http://download.kde.org/%{stable}/%{version}/src/qtruby-%{version}.tar.xz
 
-BuildRequires: cmake
+BuildRequires: %{cmake_pkg}
 BuildRequires: pkgconfig(phonon)
 BuildRequires: pkgconfig(qimageblitz)
 BuildRequires: pkgconfig(QtCore) pkgconfig(QtScript) pkgconfig(QtTest) pkgconfig(QtUiTools)
@@ -78,7 +84,7 @@ Requires: %{name}%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
 %build
 mkdir -p %{_target_platform}
 pushd %{_target_platform}
-%{cmake_kde4} \
+%{?cmake28}%{!?cmake28:%{?cmake}} \
   -DCUSTOM_RUBY_SITE_ARCH_DIR:PATH=%{ruby_vendorarchdir} \
   -DCUSTOM_RUBY_SITE_LIB_DIR:PATH=%{ruby_vendorlibdir} \
   ..