diff --git a/plugins/FeedReader/services/p3FeedReader.h b/plugins/FeedReader/services/p3FeedReader.h
index 2c727c723..8d8446251 100644
--- a/plugins/FeedReader/services/p3FeedReader.h
+++ b/plugins/FeedReader/services/p3FeedReader.h
@@ -32,7 +32,7 @@ class RsFeedReaderMsg;
 class p3FeedReaderThread;
 
 class RsGxsForums;
-class RsGxsForumGroup;
+struct RsGxsForumGroup;
 
 class p3FeedReader : public RsPQIService, public RsFeedReader
 {
diff --git a/retroshare-gui/src/gui/gxsforums/GxsForumThreadWidget.h b/retroshare-gui/src/gui/gxsforums/GxsForumThreadWidget.h
index 705d080a3..74a02479d 100644
--- a/retroshare-gui/src/gui/gxsforums/GxsForumThreadWidget.h
+++ b/retroshare-gui/src/gui/gxsforums/GxsForumThreadWidget.h
@@ -33,7 +33,7 @@ class RSTreeWidgetItemCompareRole;
 class RsGxsForumMsg;
 class GxsForumsFillThread;
 class QItemSelection;
-class RsGxsForumGroup;
+struct RsGxsForumGroup;
 class RsGxsForumModel;
 class RsGxsForumMsg;
 class ForumModelPostEntry;
diff --git a/retroshare-gui/src/gui/msgs/MessageComposer.h b/retroshare-gui/src/gui/msgs/MessageComposer.h
index d1b629417..1b0b2f2c5 100644
--- a/retroshare-gui/src/gui/msgs/MessageComposer.h
+++ b/retroshare-gui/src/gui/msgs/MessageComposer.h
@@ -37,7 +37,7 @@ class QTextEdit;
 class QTextCharFormat;
 class RSTreeWidgetItemCompareRole;
 struct RsGxsChannelGroup;
-class RsGxsForumGroup;
+struct RsGxsForumGroup;
 
 class MessageComposer : public QMainWindow 
 {