diff --git a/retroshare-gui/src/gui/FileTransfer/DetailsDialog.h b/retroshare-gui/src/gui/FileTransfer/DetailsDialog.h
index 392fe35cc..1649aeece 100644
--- a/retroshare-gui/src/gui/FileTransfer/DetailsDialog.h
+++ b/retroshare-gui/src/gui/FileTransfer/DetailsDialog.h
@@ -25,7 +25,7 @@
 #include "ui_DetailsDialog.h"
 #include <retroshare/rstypes.h>
 
-class FileChunksInfo ;
+struct FileChunksInfo ;
 
 class DetailsDialog : public QDialog
 {
diff --git a/retroshare-gui/src/gui/FileTransfer/FileTransferInfoWidget.h b/retroshare-gui/src/gui/FileTransfer/FileTransferInfoWidget.h
index 04e7a9856..e53f8573d 100644
--- a/retroshare-gui/src/gui/FileTransfer/FileTransferInfoWidget.h
+++ b/retroshare-gui/src/gui/FileTransfer/FileTransferInfoWidget.h
@@ -27,7 +27,7 @@
 #include "RsAutoUpdatePage.h"
 #include <retroshare/rstypes.h>
 
-class FileChunksInfo ;
+struct FileChunksInfo ;
 class FileInfo ;
 
 class FileTransferInfoWidget : public RsAutoUpdatePage