diff --git a/retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidgetWithModel.cpp b/retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidgetWithModel.cpp
index b36a3cc5c..1865019ec 100644
--- a/retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidgetWithModel.cpp
+++ b/retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidgetWithModel.cpp
@@ -504,6 +504,11 @@ GxsChannelPostsWidgetWithModel::GxsChannelPostsWidgetWithModel(const RsGxsGroupI
     }, mEventHandlerId, RsEventType::GXS_CHANNELS );
 }
 
+void GxsChannelPostsWidgetWithModel::resizeEvent(QResizeEvent *e)
+{
+    GxsMessageFrameWidget::resizeEvent(e);
+    updateZoomFactor(0);
+}
 void GxsChannelPostsWidgetWithModel::currentTabChanged(int t)
 {
     switch(t)
diff --git a/retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidgetWithModel.h b/retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidgetWithModel.h
index 874562d32..c325c722b 100644
--- a/retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidgetWithModel.h
+++ b/retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidgetWithModel.h
@@ -138,6 +138,7 @@ protected:
 
 	/* GxsMessageFrameWidget */
     virtual void setAllMessagesReadDo(bool read) override;
+    virtual void resizeEvent(QResizeEvent *e) override;
 
 private slots:
 	void showPostDetails();