diff --git a/lib/metanorma/standoc/cleanup_boilerplate.rb b/lib/metanorma/standoc/cleanup_boilerplate.rb
index f20b933f..678af8a0 100644
--- a/lib/metanorma/standoc/cleanup_boilerplate.rb
+++ b/lib/metanorma/standoc/cleanup_boilerplate.rb
@@ -12,7 +12,7 @@ def norm_ref_preface(ref)
           %w(references bibitem).include? e.name
         end
         pref = refs.empty? ? @i18n.norm_empty_pref : @i18n.norm_with_refs_pref
-        ins.next = "<p>#{pref}</p>"
+        ins.next = boilerplate_snippet_convert(pref)
       end
 
       def norm_ref_process_boilerplate_note(ref)
diff --git a/lib/metanorma/standoc/init.rb b/lib/metanorma/standoc/init.rb
index d3d008da..5f115ee0 100644
--- a/lib/metanorma/standoc/init.rb
+++ b/lib/metanorma/standoc/init.rb
@@ -103,6 +103,7 @@ def init_i18n(node)
       def init_biblio(node)
         @no_isobib_cache = node.attr("no-isobib-cache")
         @no_isobib = node.attr("no-isobib")
+        @flush_caches = node.attr("flush-caches")
         init_bib_log
         @bibdb = nil
         init_bib_caches(node)
diff --git a/lib/metanorma/standoc/ref_queue.rb b/lib/metanorma/standoc/ref_queue.rb
index 7fe38b9a..7e7b1e15 100644
--- a/lib/metanorma/standoc/ref_queue.rb
+++ b/lib/metanorma/standoc/ref_queue.rb
@@ -228,7 +228,7 @@ def init_iev_caches(node)
             @iev_globalname = global_ievcache_name
           @iev_localname = local_ievcache_name(node.attr("local-cache") ||
                                                node.attr("local-cache-only"))
-          if node.attr("flush-caches")
+          if @flush_caches
             FileUtils.rm_f @iev_globalname unless @iev_globalname.nil?
             FileUtils.rm_f @iev_localname unless @iev_localname.nil?
           end
diff --git a/lib/metanorma/standoc/utils.rb b/lib/metanorma/standoc/utils.rb
index df518fcd..e069b1d4 100644
--- a/lib/metanorma/standoc/utils.rb
+++ b/lib/metanorma/standoc/utils.rb
@@ -100,8 +100,9 @@ def xml_encode(text)
       # wrapped in <sections>
       def adoc2xml(text, flavour)
         Nokogiri::XML(text).root and return text
+        f = @flush_caches ? ":flush-caches:\n" : ""
         c = Asciidoctor.convert("= X\nA\n:semantic-metadata-headless: true\n" \
-                                ":novalid:\n\n#{text}\n",
+                                ":no-isobib:\n#{f}:novalid:\n\n#{text}\n",
                                 backend: flavour, header_footer: true)
         Nokogiri::XML(c).at("//xmlns:sections")
       end
diff --git a/spec/metanorma/isobib_cache_spec.rb b/spec/metanorma/isobib_cache_spec.rb
index e6484977..308eac25 100644
--- a/spec/metanorma/isobib_cache_spec.rb
+++ b/spec/metanorma/isobib_cache_spec.rb
@@ -364,7 +364,7 @@
     FileUtils.mv iev_file, iev_file1 if File.exist? iev_file
 
     File.write("#{Dir.home}/.relaton/cache", "XXX")
-    FileUtils.rm_rf File.expand_path("~/.iev/cache")
+    FileUtils.rm_rf File.expand_path("#{Dir.home}/.iev/cache")
 
     # mock_isobib_get_123
     VCR.use_cassette("isobib_get_123_2001_and_iev",