diff --git a/openvidu-server/src/main/java/io/openvidu/server/core/IdentifierPrefixes.java b/openvidu-server/src/main/java/io/openvidu/server/core/IdentifierPrefixes.java
index c201d7ed..4d6f673b 100644
--- a/openvidu-server/src/main/java/io/openvidu/server/core/IdentifierPrefixes.java
+++ b/openvidu-server/src/main/java/io/openvidu/server/core/IdentifierPrefixes.java
@@ -12,5 +12,6 @@ public interface IdentifierPrefixes {
 	public static final String IPCAM_ID = "ipc_";
 	public static final String MEDIA_ID = "media_";
 	public static final String CLUSTER_ID = "clu_";
+	public static final String OPENVIDU_NODE_ID = "opv_";
 
 }