diff --git a/jetty-util/src/main/java/org/eclipse/jetty/util/URIUtil.java b/jetty-util/src/main/java/org/eclipse/jetty/util/URIUtil.java
index c9b14a277e5..1f8605ef7f3 100644
--- a/jetty-util/src/main/java/org/eclipse/jetty/util/URIUtil.java
+++ b/jetty-util/src/main/java/org/eclipse/jetty/util/URIUtil.java
@@ -1234,11 +1234,13 @@ public final class URIUtil
         {
             switch (scheme)
             {
+                case "ws":
                 case "http":
                     if (port != 80)
                         url.append(':').append(port);
                     break;
 
+                case "wss":
                 case "https":
                     if (port != 443)
                         url.append(':').append(port);
@@ -1268,11 +1270,13 @@ public final class URIUtil
             {
                 switch (scheme)
                 {
+                    case "ws":
                     case "http":
                         if (port != 80)
                             url.append(':').append(port);
                         break;
 
+                    case "wss":
                     case "https":
                         if (port != 443)
                             url.append(':').append(port);
diff --git a/jetty-util/src/test/java/org/eclipse/jetty/util/URIUtilTest.java b/jetty-util/src/test/java/org/eclipse/jetty/util/URIUtilTest.java
index c882ce4e3ee..a6c41fc3964 100644
--- a/jetty-util/src/test/java/org/eclipse/jetty/util/URIUtilTest.java
+++ b/jetty-util/src/test/java/org/eclipse/jetty/util/URIUtilTest.java
@@ -788,4 +788,43 @@ public class URIUtilTest
     {
         assertFalse(URIUtil.isValidHostRegisteredName(token), "Token [" + token + "] should be an invalid reg-name");
     }
+
+    public static Stream<Arguments> appendSchemeHostPortCases()
+    {
+        return Stream.of(
+            // Default behaviors of stripping a port number based on scheme
+            Arguments.of("http", "example.org", 80, "http://example.org"),
+            Arguments.of("https", "example.org", 443, "https://example.org"),
+            Arguments.of("ws", "example.org", 80, "ws://example.org"),
+            Arguments.of("wss", "example.org", 443, "wss://example.org"),
+            // Mismatches between scheme and port
+            Arguments.of("http", "example.org", 443, "http://example.org:443"),
+            Arguments.of("https", "example.org", 80, "https://example.org:80"),
+            Arguments.of("ws", "example.org", 443, "ws://example.org:443"),
+            Arguments.of("wss", "example.org", 80, "wss://example.org:80"),
+            // Odd ports
+            Arguments.of("http", "example.org", 12345, "http://example.org:12345"),
+            Arguments.of("https", "example.org", 54321, "https://example.org:54321"),
+            Arguments.of("ws", "example.org", 6666, "ws://example.org:6666"),
+            Arguments.of("wss", "example.org", 7777, "wss://example.org:7777")
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("appendSchemeHostPortCases")
+    public void testAppendSchemeHostPortBuilder(String scheme, String server, int port, String expectedStr)
+    {
+        StringBuilder actual = new StringBuilder();
+        URIUtil.appendSchemeHostPort(actual, scheme, server, port);
+        assertEquals(expectedStr, actual.toString());
+    }
+
+    @ParameterizedTest
+    @MethodSource("appendSchemeHostPortCases")
+    public void testAppendSchemeHostPortBuffer(String scheme, String server, int port, String expectedStr)
+    {
+        StringBuffer actual = new StringBuffer();
+        URIUtil.appendSchemeHostPort(actual, scheme, server, port);
+        assertEquals(expectedStr, actual.toString());
+    }
 }