diff --git a/src/python/dm/common/processing/plugins/gridftpFileTransferPlugin.py b/src/python/dm/common/processing/plugins/gridftpFileTransferPlugin.py
index 5f338b85f5066233f96c3c42a9c0a96b0d0b2c3e..e7ca90b39a72d628d4b50bc6430db93a8fb28f3c 100755
--- a/src/python/dm/common/processing/plugins/gridftpFileTransferPlugin.py
+++ b/src/python/dm/common/processing/plugins/gridftpFileTransferPlugin.py
@@ -54,6 +54,9 @@ class GridftpFileTransferPlugin(FileTransferPlugin):
             experimentFilePath = os.path.relpath(filePath, dataDirectory)
             storageFilePath = os.path.join(storageDirectory, experimentFilePath)
             storageFilePathDict = storageFilePathsDict.get(storageFilePath)
+            self.logger.debug("SRC: %s", filePathDict)
+            self.logger.debug("DEST: %s", storageFilePathDict)
+
             if not storageFilePathDict:
                 # remote directory does not have the file
                 pluginFilePathsDict[filePath] = filePathDict