diff --git a/openvidu-server/src/main/java/io/openvidu/server/cdr/CDREventEnd.java b/openvidu-server/src/main/java/io/openvidu/server/cdr/CDREventEnd.java
index 6337e1c4..37544997 100644
--- a/openvidu-server/src/main/java/io/openvidu/server/cdr/CDREventEnd.java
+++ b/openvidu-server/src/main/java/io/openvidu/server/cdr/CDREventEnd.java
@@ -48,7 +48,7 @@ public class CDREventEnd extends CDREvent {
 			json.addProperty("duration", this.duration);
 		}
 		if (this.reason != null) {
-			json.addProperty("reason", this.reason != null ? reason.name() : "");
+			json.addProperty("reason", reason.name());
 		}
 		return json;
 	}