diff --git a/ozgcloud-common-lib/src/main/java/de/ozgcloud/common/binaryfile/StreamExclusiveFileSender.java b/ozgcloud-common-lib/src/main/java/de/ozgcloud/common/binaryfile/StreamExclusiveFileSender.java
index 8051e11723b17e62f712856e3eb2852a8c071f19..4223d4de1b383d657d105d305d11e2d10b35ba54 100644
--- a/ozgcloud-common-lib/src/main/java/de/ozgcloud/common/binaryfile/StreamExclusiveFileSender.java
+++ b/ozgcloud-common-lib/src/main/java/de/ozgcloud/common/binaryfile/StreamExclusiveFileSender.java
@@ -64,11 +64,13 @@ class StreamExclusiveFileSender<Q, S> extends StreamingFileSender<Q, S> {
 		return requestObserver;
 	}
 
+	@Override
 	public void cancelOnTimeout() {
 		super.cancelOnTimeout();
 		requestObserver.onError(new TechnicalException("Timeout on waiting for upload."));
 	}
 
+	@Override
 	public void cancelOnError(Throwable t) {
 		super.cancelOnError(t);
 		requestObserver.onError(t);