diff --git a/openbox.spec b/openbox.spec
index 7dab7bd..5e451d3 100644
--- a/openbox.spec
+++ b/openbox.spec
@@ -17,7 +17,7 @@ Source2:	xdg-menu
 Source3:	menu.xml
 Source4:	terminals.menu
 
-Requires:	%{name}-libs = %{version}-%{release}
+Requires:	%{name}-libs%{?_isa} = %{version}-%{release}
 
 # required by xdg-menu and xdg-autostart scripts
 Requires:	pyxdg
@@ -55,7 +55,7 @@ package.
 %package	devel
 Summary:	Development files for %{name}
 Group:		Development/Libraries
-Requires:	%{name}-libs = %{version}-%{release}
+Requires:	%{name}-libs%{?_isa} = %{version}-%{release}
 Requires:	pkgconfig
 Requires:	pango-devel
 Requires:	libxml2-devel