diff --git a/nucleus/grizzly/config/src/main/java/org/glassfish/grizzly/config/GenericGrizzlyListener.java b/nucleus/grizzly/config/src/main/java/org/glassfish/grizzly/config/GenericGrizzlyListener.java
index 188406ea2ff..28e7b5237e5 100644
--- a/nucleus/grizzly/config/src/main/java/org/glassfish/grizzly/config/GenericGrizzlyListener.java
+++ b/nucleus/grizzly/config/src/main/java/org/glassfish/grizzly/config/GenericGrizzlyListener.java
@@ -38,7 +38,7 @@
  * holder.
  * 
  * 
- * Portions Copyright [2016-2021] [Payara Foundation and/or its affiliates] 
+ * Portions Copyright [2016-2024] [Payara Foundation and/or its affiliates]
  */
 package org.glassfish.grizzly.config;
 
@@ -487,9 +487,9 @@ protected void configureSubProtocol(final ServiceLocator habitat,
                         ProtocolFinder.class, finderClassname, finderClassname);
                     configureElement(habitat, networkListener, finderConfig, protocolFinder);
                     final Protocol subProtocol = finderConfig.findProtocol();
-                    
+
                     if (subProtocol.getHttp() != null) {
-                        if (LOGGER.isLoggable(WARNING)) {
+                        if (LOGGER.isLoggable(WARNING) && isHttp2Enabled()) {
                             LOGGER.log(WARNING, 
                                 "HTTP/2 (enabled by default) is unsupported with port " + 
                                 "unification and will be disabled for network listener {0}.", networkListener.getName());