diff --git a/containers/grizzly-client/src/main/java/org/glassfish/tyrus/container/grizzly/client/GrizzlyClientFilter.java b/containers/grizzly-client/src/main/java/org/glassfish/tyrus/container/grizzly/client/GrizzlyClientFilter.java
index 04761ccd..d1e892e7 100644
--- a/containers/grizzly-client/src/main/java/org/glassfish/tyrus/container/grizzly/client/GrizzlyClientFilter.java
+++ b/containers/grizzly-client/src/main/java/org/glassfish/tyrus/container/grizzly/client/GrizzlyClientFilter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2010, 2021 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2022 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v. 2.0, which is available at
@@ -30,6 +30,7 @@
 import org.glassfish.tyrus.core.CloseReasons;
 import org.glassfish.tyrus.core.TyrusUpgradeResponse;
 import org.glassfish.tyrus.core.Utils;
+import org.glassfish.tyrus.core.uri.internal.UriComponent;
 import org.glassfish.tyrus.spi.ClientEngine;
 import org.glassfish.tyrus.spi.ReadHandler;
 import org.glassfish.tyrus.spi.UpgradeRequest;
@@ -415,7 +416,7 @@ private HttpContent getHttpContent(UpgradeRequest request) {
         sb.append(uri.getPath());
         final String query = uri.getQuery();
         if (query != null) {
-            sb.append('?').append(query);
+            sb.append('?').append(isDoubleEncodedQuery(query) ? query : uri.getRawQuery());
         }
         if (sb.length() == 0) {
             sb.append('/');
@@ -438,6 +439,19 @@ private HttpContent getHttpContent(UpgradeRequest request) {
         return HttpContent.builder(builder.build()).build();
     }
 
+    private static boolean isDoubleEncodedQuery(String query) {
+        final int size = query.length();
+        int index = -1;
+        while ((index = query.indexOf('%', index + 1)) != -1 && index < size - 2) {
+            char c1 = query.charAt(index + 1);
+            char c2 = query.charAt(index + 2);
+            if (UriComponent.isHexCharacter(c1) && UriComponent.isHexCharacter(c2)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     private class ProcessTask extends TaskProcessor.Task {
         private final ByteBuffer buffer;
         private final ReadHandler readHandler;
diff --git a/tests/e2e/standard-config/src/test/java/org/glassfish/tyrus/test/standard_config/QueryParamTest.java b/tests/e2e/standard-config/src/test/java/org/glassfish/tyrus/test/standard_config/QueryParamTest.java
new file mode 100644
index 00000000..d7ab0db6
--- /dev/null
+++ b/tests/e2e/standard-config/src/test/java/org/glassfish/tyrus/test/standard_config/QueryParamTest.java
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2022 Oracle and/or its affiliates. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0, which is available at
+ * http://www.eclipse.org/legal/epl-2.0.
+ *
+ * This Source Code may also be made available under the following Secondary
+ * Licenses when the conditions for such availability set forth in the
+ * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
+ * version 2 with the GNU Classpath Exception, which is available at
+ * https://www.gnu.org/software/classpath/license.html.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+ */
+
+package org.glassfish.tyrus.test.standard_config;
+
+import org.glassfish.tyrus.client.ClientManager;
+import org.glassfish.tyrus.server.Server;
+import org.glassfish.tyrus.test.tools.TestContainer;
+import org.junit.Test;
+
+import jakarta.websocket.ClientEndpointConfig;
+import jakarta.websocket.DeploymentException;
+import jakarta.websocket.Endpoint;
+import jakarta.websocket.EndpointConfig;
+import jakarta.websocket.MessageHandler;
+import jakarta.websocket.OnMessage;
+import jakarta.websocket.Session;
+import jakarta.websocket.server.ServerEndpoint;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URLEncoder;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicReference;
+
+import static org.junit.Assert.assertEquals;
+
+public class QueryParamTest extends TestContainer {
+
+    public static final String QUERY_NAME = "NAME";
+    public static final String QUERY_VALUE = "value10%&value2%";
+
+    @ServerEndpoint(value = "/query")
+    public static class QueryEndpoint {
+
+        @OnMessage
+        public void onMessage(Session session, String message) throws IOException {
+            session.getBasicRemote().sendText(session.getRequestParameterMap().get(QUERY_NAME).get(0));
+        }
+    }
+
+    @Test
+    public void testQueryClient() throws DeploymentException {
+        Server server = startServer(QueryEndpoint.class);
+        try {
+            testQueryClient(false);
+            testQueryClient(true);
+        } finally {
+            stopServer(server);
+        }
+    }
+
+    public void testQueryClient(boolean fromString) throws DeploymentException {
+        AtomicReference<String> response = new AtomicReference<>();
+
+        try {
+            final CountDownLatch messageLatch = new CountDownLatch(1);
+
+            ClientManager client = createClient();
+            client.connectToServer(new Endpoint() {
+                @Override
+                public void onOpen(Session session, EndpointConfig config) {
+                    try {
+                        session.addMessageHandler(new MessageHandler.Whole<String>() {
+                            @Override
+                            public void onMessage(String message) {
+                                response.set(message);
+                                messageLatch.countDown();
+                            }
+                        });
+
+                        session.getBasicRemote().sendText("Hello");
+
+                    } catch (IOException e) {
+                        // do nothing.
+                    }
+                }
+            }, ClientEndpointConfig.Builder.create().build(), getURI(QueryEndpoint.class, "ws", fromString));
+
+            messageLatch.await(1, TimeUnit.SECONDS);
+            assertEquals(0, messageLatch.getCount());
+            assertEquals(QUERY_VALUE, response.get());
+        } catch (Exception e) {
+            e.printStackTrace();
+            throw new RuntimeException(e.getMessage(), e);
+        }
+    }
+
+    protected URI getURI(Class<?> serverClass, String scheme, boolean fromString) {
+        URI uri = super.getURI(serverClass, scheme);
+        URI withQuery = null;
+        try {
+            if (fromString) {
+                withQuery = new URI(uri.toASCIIString() + "?" + QUERY_NAME + "=" + URLEncoder.encode(QUERY_VALUE, "UTF-8"));
+            } else {
+                withQuery = new URI(uri.getScheme(), uri.getUserInfo(), uri.getHost(), uri.getPort(), uri.getPath(),
+                        QUERY_NAME + "=" + URLEncoder.encode(QUERY_VALUE, "UTF-8"), uri.getFragment());
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return withQuery;
+    }
+}