diff --git a/core/src/main/resources/hudson/slaves/JNLPLauncher/main.jelly b/core/src/main/resources/hudson/slaves/JNLPLauncher/main.jelly
index 8409784e851c..29507de2f6da 100644
--- a/core/src/main/resources/hudson/slaves/JNLPLauncher/main.jelly
+++ b/core/src/main/resources/hudson/slaves/JNLPLauncher/main.jelly
@@ -37,16 +37,27 @@ THE SOFTWARE.
           ${%Connect agent to Jenkins one of these ways:}
         </p>
         <ul>
-          <j:if test="${it.launcher.javaWebStartSupported}">
-            <li>
-              <p>
-                <a href="slave-agent.jnlp" id="jnlp-link">
-                  <img src="${imagesURL}/webstart.gif" alt="${%launch agent}" />
-                </a>
-                ${%Launch agent from browser}
-              </p>
-            </li>
-          </j:if>
+          <j:choose>
+            <j:when test="${it.launcher.javaWebStartSupported}">
+              <li>
+                <p>
+                  <a href="slave-agent.jnlp" id="jnlp-link">
+                    <img src="${imagesURL}/webstart.gif" alt="${%launch agent}" />
+                  </a>
+                  ${%Launch agent from browser}
+                </p>
+              </li>
+            </j:when>
+            <j:otherwise>
+              <li>
+                <p>
+                  <a href="https://jenkins.io/redirect/java11-java-web-start">
+                    ${%Java Web Start is not available for the JVM version running Jenkins}
+                  </a>
+                </p>
+              </li>
+            </j:otherwise>
+          </j:choose>
           <j:choose>
             <j:when test="${it.ACL.hasPermission(app.ANONYMOUS, it.CONNECT)}">
               <li>