diff --git a/src/org/hwo/servicelink/ng/TelegramStreamV2.java b/src/org/hwo/servicelink/ng/TelegramStreamV2.java
index 2a631b2..e7a8977 100644
--- a/src/org/hwo/servicelink/ng/TelegramStreamV2.java
+++ b/src/org/hwo/servicelink/ng/TelegramStreamV2.java
@@ -37,8 +37,10 @@ public class TelegramStreamV2 extends ServiceLinkStream {
 
 	@Override
 	void close() {
-		this.streamContainer.close();
-		exceptionCaught = true;
+		if (this.streamContainer != null) {
+			this.streamContainer.close();
+			exceptionCaught = true;
+		}
 	}
 	
 	@Override