diff --git a/src/main/java/org/qortal/api/model/NodeInfo.java b/src/main/java/org/qortal/api/model/NodeInfo.java
index 86ed6971..16a4df75 100644
--- a/src/main/java/org/qortal/api/model/NodeInfo.java
+++ b/src/main/java/org/qortal/api/model/NodeInfo.java
@@ -11,6 +11,7 @@ public class NodeInfo {
 	public String buildVersion;
 	public long buildTimestamp;
 	public String nodeId;
+	public boolean isTestNet;
 
 	public NodeInfo() {
 	}
diff --git a/src/main/java/org/qortal/api/resource/AdminResource.java b/src/main/java/org/qortal/api/resource/AdminResource.java
index 7b07551a..e3e2e2a8 100644
--- a/src/main/java/org/qortal/api/resource/AdminResource.java
+++ b/src/main/java/org/qortal/api/resource/AdminResource.java
@@ -57,6 +57,7 @@ import org.qortal.network.PeerAddress;
 import org.qortal.repository.DataException;
 import org.qortal.repository.Repository;
 import org.qortal.repository.RepositoryManager;
+import org.qortal.settings.Settings;
 import org.qortal.utils.Base58;
 import org.qortal.utils.NTP;
 
@@ -118,6 +119,7 @@ public class AdminResource {
 		nodeInfo.buildVersion = Controller.getInstance().getVersionString();
 		nodeInfo.buildTimestamp = Controller.getInstance().getBuildTimestamp();
 		nodeInfo.nodeId = Network.getInstance().getOurNodeId();
+		nodeInfo.isTestNet = Settings.getInstance().isTestNet();
 
 		return nodeInfo;
 	}