diff --git a/libXtst.spec b/libXtst.spec
index 7674ddb..2648d5b 100644
--- a/libXtst.spec
+++ b/libXtst.spec
@@ -20,8 +20,8 @@ X.Org X11 libXtst runtime library
 %package devel
 Summary: X.Org X11 libXtst development package
 Group: Development/Libraries
-Requires: %{name} = %{version}-%{release}
-Requires: libXi-devel
+Requires: %{name}%{?_isa} = %{version}-%{release}
+Requires: libXi-devel%{?_isa}
 
 %description devel
 X.Org X11 libXtst development package
@@ -67,6 +67,7 @@ rm -rf $RPM_BUILD_ROOT
 %changelog
 * Wed Nov  7 2012 Ville Skyttä <ville.skytta@iki.fi> - 1.2.1-3
 - Add libXi-devel dep to -devel for XInput.h #inclusion.
+- Make main package dep in -devel arch qualified.
 
 * Thu Jul 19 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.2.1-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild