diff --git a/src/main/resources/io/jenkins/plugins/bootstrap5.jelly b/src/main/resources/io/jenkins/plugins/bootstrap5.jelly
index ca47405..684efe8 100644
--- a/src/main/resources/io/jenkins/plugins/bootstrap5.jelly
+++ b/src/main/resources/io/jenkins/plugins/bootstrap5.jelly
@@ -2,7 +2,7 @@
 <!--
 Use it like <st:adjunct includes="io.jenkins.plugins.bootstrap5"/>
 -->
-<j:jelly xmlns:j="jelly:core">
+<j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler">
 
   <j:new var="h" className="hudson.Functions" />
   ${h.initPageVariables(context)}
@@ -14,9 +14,7 @@ Use it like <st:adjunct includes="io.jenkins.plugins.bootstrap5"/>
   <script type="text/javascript" src="${resURL}/plugin/bootstrap5-api/js/bootstrap.min.js"/>
   <script type="text/javascript" src="${resURL}/plugin/bootstrap5-api/js/theme-support.js"/>
 
-  <script>
-    const bootstrap5 = bootstrap;
-  </script>
+  <st:adjunct includes="io.jenkins.plugins.bootstrap5.init-constant"/>
 
 </j:jelly>
 
diff --git a/src/main/resources/io/jenkins/plugins/bootstrap5/init-constant.js b/src/main/resources/io/jenkins/plugins/bootstrap5/init-constant.js
new file mode 100644
index 0000000..4903ca2
--- /dev/null
+++ b/src/main/resources/io/jenkins/plugins/bootstrap5/init-constant.js
@@ -0,0 +1 @@
+const bootstrap5 = bootstrap;