crreating s3 bucket fails

while creating sync I get the following message

Creating remote storage ... org.jets3t.service.S3ServiceException: S3 Error Message. GET '/' on Host 'sdjifbapifhsadufhu.s3.amazonaws.com' @ 'Sun, 05 Jun 2011 12:52:03 GMT' -- ResponseCode: 404, ResponseStatus: Not Found, XML Error Message: <?xml version="1.0" encoding="UTF-8"?><Error><Code>NoSuchBucket</Code><Message>The specified bucket does not exist</Message><BucketName>sdjifbapifhsadufhu</BucketName><RequestId>40759ECA9ECDF029</RequestId><HostId>cpCKxJ68cIrKUUPVSmkYq6B4va7RubQrqJtT+nVFO52rvC34ZOi4qsAqL8zhHntS</HostId></Error>org.syncany.exceptions.StorageException: org.jets3t.service.S3ServiceException: S3 Error Message. GET '/' on Host 'sdjifbapifhsadufhu.s3.amazonaws.com' @ 'Sun, 05 Jun 2011 12:52:03 GMT' -- ResponseCode: 404, ResponseStatus: Not Found, XML Error Message: <?xml version="1.0" encoding="UTF-8"?><Error><Code>NoSuchBucket</Code><Message>The specified bucket does not exist</Message><BucketName>sdjifbapifhsadufhu</BucketName><RequestId>40759ECA9ECDF029</RequestId><HostId>cpCKxJ68cIrKUUPVSmkYq6B4va7RubQrqJtT+nVFO52rvC34ZOi4qsAqL8zhHntS</HostId></Error>
 at org.syncany.connection.plugins.rest.RestTransferManager.list(RestTransferManager.java:179)
 at org.syncany.config.Repository.commit(Repository.java:201)
 at org.syncany.config.Repository.commit(Repository.java:195)
 at org.syncany.gui.wizard.RepositoryTestPanel$1.run(RepositoryTestPanel.java:53)
 at java.lang.Thread.run(Thread.java:679)
Caused by: org.jets3t.service.S3ServiceException: S3 Error Message. GET '/' on Host 'sdjifbapifhsadufhu.s3.amazonaws.com' @ 'Sun, 05 Jun 2011 12:52:03 GMT' -- ResponseCode: 404, ResponseStatus: Not Found, XML Error Message: <?xml version="1.0" encoding="UTF-8"?><Error><Code>NoSuchBucket</Code><Message>The specified bucket does not exist</Message><BucketName>sdjifbapifhsadufhu</BucketName><RequestId>40759ECA9ECDF029</RequestId><HostId>cpCKxJ68cIrKUUPVSmkYq6B4va7RubQrqJtT+nVFO52rvC34ZOi4qsAqL8zhHntS</HostId></Error>
 at org.jets3t.service.S3Service.listObjects(S3Service.java:1419)
 at org.jets3t.service.S3Service.listObjects(S3Service.java:83)
 at org.syncany.connection.plugins.rest.RestTransferManager.getList(RestTransferManager.java:200)
 at org.syncany.connection.plugins.rest.RestTransferManager.list(RestTransferManager.java:159)
 ... 4 more

if I create the bucket manually on AWS Management console it then works