diff --git a/smack-core/src/main/java/org/jivesoftware/smack/SmackConfiguration.java b/smack-core/src/main/java/org/jivesoftware/smack/SmackConfiguration.java
index 6f06e4d33..f7957cccb 100644
--- a/smack-core/src/main/java/org/jivesoftware/smack/SmackConfiguration.java
+++ b/smack-core/src/main/java/org/jivesoftware/smack/SmackConfiguration.java
@@ -17,6 +17,8 @@
 
 package org.jivesoftware.smack;
 
+import java.net.MalformedURLException;
+import java.net.URL;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
@@ -50,6 +52,18 @@ import org.jivesoftware.smack.util.Objects;
  */
 public final class SmackConfiguration {
 
+    public static final String SMACK_URL_STRING = "https://igniterealtime.org/projects/smack";
+
+    public static final URL SMACK_URL;
+
+    static {
+        try {
+            SMACK_URL = new URL(SMACK_URL_STRING);
+        } catch (MalformedURLException e) {
+            throw new IllegalStateException(e);
+        }
+    }
+
     private static int defaultPacketReplyTimeout = 5000;
     private static int packetCollectorSize = 5000;
 
diff --git a/smack-core/src/test/java/org/jivesoftware/smack/packet/TestIQ.java b/smack-core/src/test/java/org/jivesoftware/smack/packet/TestIQ.java
index 84aed089d..c222035e1 100644
--- a/smack-core/src/test/java/org/jivesoftware/smack/packet/TestIQ.java
+++ b/smack-core/src/test/java/org/jivesoftware/smack/packet/TestIQ.java
@@ -16,10 +16,12 @@
  */
 package org.jivesoftware.smack.packet;
 
+import org.jivesoftware.smack.SmackConfiguration;
+
 public class TestIQ extends SimpleIQ {
 
     public TestIQ() {
-        this("https://igniterealtime.org/projects/smack", "test-iq");
+        this(SmackConfiguration.SMACK_URL_STRING, "test-iq");
     }
 
     public TestIQ(String element, String namespace) {
diff --git a/smack-extensions/src/main/java/org/jivesoftware/smackx/caps/EntityCapsManager.java b/smack-extensions/src/main/java/org/jivesoftware/smackx/caps/EntityCapsManager.java
index d75cb7036..5fe1e0260 100644
--- a/smack-extensions/src/main/java/org/jivesoftware/smackx/caps/EntityCapsManager.java
+++ b/smack-extensions/src/main/java/org/jivesoftware/smackx/caps/EntityCapsManager.java
@@ -36,6 +36,7 @@ import java.util.logging.Logger;
 import org.jivesoftware.smack.AbstractConnectionListener;
 import org.jivesoftware.smack.ConnectionCreationListener;
 import org.jivesoftware.smack.Manager;
+import org.jivesoftware.smack.SmackConfiguration;
 import org.jivesoftware.smack.SmackException.NoResponseException;
 import org.jivesoftware.smack.SmackException.NotConnectedException;
 import org.jivesoftware.smack.StanzaListener;
@@ -92,7 +93,7 @@ public final class EntityCapsManager extends Manager {
      */
     private static final String DEFAULT_HASH = StringUtils.SHA1;
 
-    private static String DEFAULT_ENTITY_NODE = "http://www.igniterealtime.org/projects/smack";
+    private static String DEFAULT_ENTITY_NODE = SmackConfiguration.SMACK_URL_STRING;
 
     protected static EntityCapsPersistentCache persistentCache;
 
diff --git a/smack-extensions/src/main/java/org/jivesoftware/smackx/iqprivate/PrivateDataManager.java b/smack-extensions/src/main/java/org/jivesoftware/smackx/iqprivate/PrivateDataManager.java
index a4a758e93..7a1149ea6 100644
--- a/smack-extensions/src/main/java/org/jivesoftware/smackx/iqprivate/PrivateDataManager.java
+++ b/smack-extensions/src/main/java/org/jivesoftware/smackx/iqprivate/PrivateDataManager.java
@@ -25,6 +25,7 @@ import java.util.WeakHashMap;
 import javax.xml.namespace.QName;
 
 import org.jivesoftware.smack.Manager;
+import org.jivesoftware.smack.SmackConfiguration;
 import org.jivesoftware.smack.SmackException.NoResponseException;
 import org.jivesoftware.smack.SmackException.NotConnectedException;
 import org.jivesoftware.smack.XMPPConnection;
@@ -193,7 +194,7 @@ public final class PrivateDataManager extends Manager {
 
         @Override
         public String getNamespace() {
-            return "https://igniterealtime.org/projects/smack/";
+            return SmackConfiguration.SMACK_URL_STRING;
         }
 
         @Override