diff --git a/qt4pas.spec b/qt4pas.spec
index fdc9237..f4d271d 100644
--- a/qt4pas.spec
+++ b/qt4pas.spec
@@ -1,6 +1,6 @@
 Name:           qt4pas
 Version:        2.5
-Release:        11%{?dist}
+Release:        12%{?dist}
 Summary:        Free Pascal Qt4 Binding
 License:        LGPLv3
 URL:            http://users.telenet.be/Jan.Van.hijfte/qtforfpc/fpcqt4.html
@@ -9,7 +9,7 @@ BuildRequires:  pkgconfig(Qt)
 BuildRequires:  pkgconfig(QtWebKit)
 Requires:       fpc-src
 
-ExclusiveArch:  %{arm} %{ix86} x86_64 ppc ppc64
+ExclusiveArch:  %{fpc_arches}
 
 %description
 The Free Pascal Qt4 binding allows Free Pascal to interface with the 
@@ -50,6 +50,9 @@ make install INSTALL_ROOT=%{buildroot}
 %{_libdir}/libQt4Pas.so
 
 %changelog
+* Thu Mar 30 2017 Vasiliy N. Glazov <vascom2@gmail.com> 2.5-12
+- Use macro to define supported build arches
+
 * Wed Mar 29 2017 Vasiliy N. Glazov <vascom2@gmail.com> 2.5-11
 - Exclude build arches not supported by fpc