diff --git a/jetty-ee11/jetty-ee11-proxy/src/main/java/org/eclipse/jetty/ee11/proxy/AbstractProxyServlet.java b/jetty-ee11/jetty-ee11-proxy/src/main/java/org/eclipse/jetty/ee11/proxy/AbstractProxyServlet.java
index ede1b133eb7..f003e18ba8d 100644
--- a/jetty-ee11/jetty-ee11-proxy/src/main/java/org/eclipse/jetty/ee11/proxy/AbstractProxyServlet.java
+++ b/jetty-ee11/jetty-ee11-proxy/src/main/java/org/eclipse/jetty/ee11/proxy/AbstractProxyServlet.java
@@ -763,10 +763,9 @@ public abstract class AbstractProxyServlet extends HttpServlet
         }
     }
 
-    protected void onContinue(HttpServletRequest clientRequest, Request proxyRequest)
+    protected Runnable onContinue(HttpServletRequest clientRequest, Request proxyRequest)
     {
-        if (_log.isDebugEnabled())
-            _log.debug("{} handling 100 Continue", getRequestId(clientRequest));
+        return null;
     }
 
     /**
@@ -851,10 +850,10 @@ public abstract class AbstractProxyServlet extends HttpServlet
     class ProxyContinueProtocolHandler extends ContinueProtocolHandler
     {
         @Override
-        protected void onContinue(Request request)
+        protected Runnable onContinue(Request request)
         {
             HttpServletRequest clientRequest = (HttpServletRequest)request.getAttributes().get(CLIENT_REQUEST_ATTRIBUTE);
-            AbstractProxyServlet.this.onContinue(clientRequest, request);
+            return AbstractProxyServlet.this.onContinue(clientRequest, request);
         }
     }
 }
diff --git a/jetty-ee11/jetty-ee11-proxy/src/main/java/org/eclipse/jetty/ee11/proxy/AsyncMiddleManServlet.java b/jetty-ee11/jetty-ee11-proxy/src/main/java/org/eclipse/jetty/ee11/proxy/AsyncMiddleManServlet.java
index bb902313989..b7f9d294456 100644
--- a/jetty-ee11/jetty-ee11-proxy/src/main/java/org/eclipse/jetty/ee11/proxy/AsyncMiddleManServlet.java
+++ b/jetty-ee11/jetty-ee11-proxy/src/main/java/org/eclipse/jetty/ee11/proxy/AsyncMiddleManServlet.java
@@ -171,11 +171,11 @@ public class AsyncMiddleManServlet extends AbstractProxyServlet
     }
 
     @Override
-    protected void onContinue(HttpServletRequest clientRequest, Request proxyRequest)
+    protected Runnable onContinue(HttpServletRequest clientRequest, Request proxyRequest)
     {
-        super.onContinue(clientRequest, proxyRequest);
-        Runnable action = (Runnable)proxyRequest.getAttributes().get(CONTINUE_ACTION_ATTRIBUTE);
-        action.run();
+        if (_log.isDebugEnabled())
+            _log.debug("{} handling 100 Continue", getRequestId(clientRequest));
+        return (Runnable)proxyRequest.getAttributes().get(CONTINUE_ACTION_ATTRIBUTE);
     }
 
     private void transform(ContentTransformer transformer, ByteBuffer input, boolean finished, List<ByteBuffer> output) throws IOException
diff --git a/jetty-ee11/jetty-ee11-proxy/src/main/java/org/eclipse/jetty/ee11/proxy/ProxyServlet.java b/jetty-ee11/jetty-ee11-proxy/src/main/java/org/eclipse/jetty/ee11/proxy/ProxyServlet.java
index 2ab028db7c4..2ef6d8a4a1a 100644
--- a/jetty-ee11/jetty-ee11-proxy/src/main/java/org/eclipse/jetty/ee11/proxy/ProxyServlet.java
+++ b/jetty-ee11/jetty-ee11-proxy/src/main/java/org/eclipse/jetty/ee11/proxy/ProxyServlet.java
@@ -16,7 +16,6 @@ package org.eclipse.jetty.ee11.proxy;
 import java.io.IOException;
 import java.io.InputStream;
 import java.nio.ByteBuffer;
-import java.util.concurrent.Executor;
 import java.util.concurrent.TimeUnit;
 
 import jakarta.servlet.AsyncContext;
@@ -144,12 +143,11 @@ public class ProxyServlet extends AbstractProxyServlet
     }
 
     @Override
-    protected void onContinue(HttpServletRequest clientRequest, Request proxyRequest)
+    protected Runnable onContinue(HttpServletRequest clientRequest, Request proxyRequest)
     {
-        super.onContinue(clientRequest, proxyRequest);
-        Runnable action = (Runnable)proxyRequest.getAttributes().get(CONTINUE_ACTION_ATTRIBUTE);
-        Executor executor = getHttpClient().getExecutor();
-        executor.execute(action);
+        if (_log.isDebugEnabled())
+            _log.debug("{} handling 100 Continue", getRequestId(clientRequest));
+        return (Runnable)proxyRequest.getAttributes().get(CONTINUE_ACTION_ATTRIBUTE);
     }
 
     /**