diff --git a/glib2.spec b/glib2.spec
index 50fca21..74c0931 100644
--- a/glib2.spec
+++ b/glib2.spec
@@ -80,8 +80,7 @@ The glib2-devel package includes the header files for the GLib library.
 
 %package doc
 Summary: A library of handy utility functions
-Requires: %{name} = %{version}-%{release}
-BuildArch: noarch
+Requires: %{name}%{?_isa} = %{version}-%{release}
 
 %description doc
 The glib2-doc package includes documentation for the GLib library.