diff --git a/com.ibm.wala.core/lib/primordial.jar.model b/com.ibm.wala.core/lib/primordial.jar.model
index ec00a9d6d..9f484bbd4 100644
Binary files a/com.ibm.wala.core/lib/primordial.jar.model and b/com.ibm.wala.core/lib/primordial.jar.model differ
diff --git a/com.ibm.wala.core/src/com/ibm/wala/model/java/lang/Thread.java b/com.ibm.wala.core/src/com/ibm/wala/model/java/lang/Thread.java
new file mode 100644
index 000000000..75e63dfdd
--- /dev/null
+++ b/com.ibm.wala.core/src/com/ibm/wala/model/java/lang/Thread.java
@@ -0,0 +1,24 @@
+/*******************************************************************************
+ * Copyright (c) 2008 IBM Corporation.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package com.ibm.wala.model.java.lang;
+
+
+/**
+ * Model of single-threaded behavior
+ */
+public class Thread {
+
+  static final java.lang.Thread singleThread = new java.lang.Thread();
+  
+  public static java.lang.Thread currentThread() {
+    return singleThread;
+  }
+}