diff --git a/spack.changes b/spack.changes
index c105ef5..459af04 100644
--- a/spack.changes
+++ b/spack.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Thu Jun  1 11:32:36 UTC 2023 - Egbert Eich <eich@suse.com>
+
+- Do not attempt to build documentation for 32-bit.
+  There are build issues on some build targets which do not
+  trigger for 64-bit.
+
 -------------------------------------------------------------------
 Mon May 22 14:40:17 UTC 2023 - Christian Goll <cgoll@suse.com>
 
diff --git a/spack.spec b/spack.spec
index 0142de1..9a52f35 100644
--- a/spack.spec
+++ b/spack.spec
@@ -19,6 +19,9 @@
 %global flavor @BUILD_FLAVOR@%{?nil}
 %if "%{flavor}" == "doc"
 %bcond_without doc
+%ifarch i586 %arm s390
+ExclusiveArch:  do_not_build
+%endif
 %endif
 
 %if %{with doc} && (0%{?sle_version} > 0) && (150200 >= 0%{?sle_version})