diff --git a/core/src/main/java/com/google/bitcoin/core/NetworkParameters.java b/core/src/main/java/com/google/bitcoin/core/NetworkParameters.java
index b11caf87..e1d9c7ca 100644
--- a/core/src/main/java/com/google/bitcoin/core/NetworkParameters.java
+++ b/core/src/main/java/com/google/bitcoin/core/NetworkParameters.java
@@ -48,14 +48,12 @@ public class NetworkParameters implements Serializable {
      */
     public static final byte[] SATOSHI_KEY = Hex.decode("04fc9702847840aaf195de8442ebecedf5b095cdbb9bc716bda9110971b28a49e0ead8564ff0db22209e0374782c093bb899692d524e9d6a6956e7c5ecbcd68284");
 
-    /**
-     * The string returned by getId() for the main, production network where people trade things.
-     */
+    /** The string returned by getId() for the main, production network where people trade things. */
     public static final String ID_PRODNET = "org.bitcoin.production";
-    /**
-     * The string returned by getId() for the testnet.
-     */
+    /** The string returned by getId() for the testnet. */
     public static final String ID_TESTNET = "org.bitcoin.test";
+    /** Unit test network. */
+    static final String ID_UNITTESTNET = "com.google.bitcoin.unittest";
 
     // TODO: Seed nodes should be here as well.
 
@@ -320,6 +318,8 @@ public class NetworkParameters implements Serializable {
             return prodNet();
         } else if (id.equals(ID_TESTNET)) {
             return testNet();
+        } else if (id.equals(ID_UNITTESTNET)) {
+            return unitTests();
         } else {
             return null;
         }