diff --git a/clutter.spec b/clutter.spec
index 98c7335..285c8eb 100644
--- a/clutter.spec
+++ b/clutter.spec
@@ -58,7 +58,7 @@ We hope however it can be used for a lot more.
 %package devel
 Summary:       Clutter development environment
 Group:         Development/Libraries
-Requires:      %{name} = %{version}-%{release}
+Requires:      %{name}%{?_isa} = %{version}-%{release}
 Requires:      pkgconfig glib2-devel pango-devel fontconfig-devel
 Requires:      mesa-libGL-devel
 Requires:      gobject-introspection-devel