diff --git a/xdg-desktop-portal.spec b/xdg-desktop-portal.spec
index e1ce292..de2d37f 100644
--- a/xdg-desktop-portal.spec
+++ b/xdg-desktop-portal.spec
@@ -45,6 +45,11 @@ Requires:      fuse3
 # Required for the GMemoryMonitor GIO API
 Recommends:    low-memory-monitor >= %{low_memory_monitor_version}
 
+# https://fedoraproject.org/wiki/Changes/EncourageI686LeafRemoval
+# also, ostree (and hence flatpak) not on i686 for F40/EL10
+# https://github.com/containers/composefs/pull/229#issuecomment-1838735764
+ExcludeArch:    %{ix86}
+
 %description
 xdg-desktop-portal works by exposing a series of D-Bus interfaces known as
 portals under a well-known name (org.freedesktop.portal.Desktop) and object