diff --git a/tqtinterface.spec b/tqtinterface.spec
index 9dda3c9..5acb4f8 100644
--- a/tqtinterface.spec
+++ b/tqtinterface.spec
@@ -32,34 +32,34 @@ mkdir tqt.build
 cd tqt.build
 cmake \
 -DQT_PREFIX_DIR=%{trinity_dir} \
--DMOC_EXECUTABLE=%{trinity_dir}/bin/tqmoc \
+-DMOC_EXECUTABLE=%{trinity_dir}%_bindir/tqmoc \
 -DCMAKE_BUILD_TYPE=Release \
 -DCMAKE_INSTALL_PREFIX=%{buildroot}%{trinity_dir} -DMAN_INSTALL_DIR=%{buildroot}%{trinity_dir}/man \
 -DBUILD_ALL="ON" \
 -DQT_VERSION=3 \
--DPKG_CONFIG_PATH=%{trinity_dir}/lib/pkgconfig \
+-DPKG_CONFIG_PATH=%{trinity_dir}%_libdir/pkgconfig \
 ../%{name}-%{version}/
-export LD_LIBRARY_PATH=%{trinity_dir}/lib:$LD_LIBRARY_PATH
+export LD_LIBRARY_PATH=%{trinity_dir}%_libdir:$LD_LIBRARY_PATH
 make %{?_smp_mflags}
 
 %install
 cd ../tqt.build/
-export LD_LIBRARY_PATH=%{trinity_dir}/lib:$LD_LIBRARY_PATH
+export LD_LIBRARY_PATH=%{trinity_dir}%_libdir:$LD_LIBRARY_PATH
 make install 
 
 export buildroot=%buildroot 
-sed -i "s#$buildroot##g" %buildroot%trinity_dir/lib64/*.la
-sed -i "s#$buildroot##g" %buildroot%trinity_dir/lib64/pkgconfig/*.pc
+sed -i "s#$buildroot##g" %buildroot%trinity_dir%_libdir/*.la
+sed -i "s#$buildroot##g" %buildroot%trinity_dir%_libdir/pkgconfig/*.pc
 %check
 
 
 %files 
-%{trinity_dir}/bin/*
-%{trinity_dir}/lib/*
+%{trinity_dir}%_bindir/*
+%{trinity_dir}%_libdir/*
 
 %files devel
-%{trinity_dir}/bin/*
-%{trinity_dir}/lib/*
+%{trinity_dir}%_bindir/*
+%{trinity_dir}%_libdir/*
 %{trinity_dir}/include/*
 
 %changelog