diff --git a/src/XMPPJID.h b/src/XMPPJID.h
index ea80782..ccfdc1f 100644
--- a/src/XMPPJID.h
+++ b/src/XMPPJID.h
@@ -26,7 +26,7 @@
 /**
  * \brief A class for easy handling of JIDs.
  */
-@interface XMPPJID: OFObject
+@interface XMPPJID: OFObject <OFCopying>
 {
 	/// The JID's localpart
 	OFString *node;
diff --git a/src/XMPPJID.m b/src/XMPPJID.m
index 580916b..65fd60d 100644
--- a/src/XMPPJID.m
+++ b/src/XMPPJID.m
@@ -68,6 +68,22 @@
 	return self;
 }
 
+- copy
+{
+	XMPPJID *new = [[XMPPJID alloc] init];
+
+	@try {
+		new->node = [node copy];
+		new->domain = [domain copy];
+		new->resource = [resource copy];
+	} @catch (id e) {
+		[new release];
+		@throw e;
+	}
+
+	return new;
+}
+
 - (void)setNode: (OFString*)node_
 {
 	OFString *old = node;