diff --git a/checkin_notes b/checkin_notes
index 9f62fe647a..6796efd0f9 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -5008,7 +5008,8 @@ David  9 Jul 2010
         client_state.cpp,h
         work_fetch.cpp
         pers_file_xfer.h
-        Charlie 9 Jul 2010
+
+Charlie 9 Jul 2010
     - MGR: Fix accessibility code bug in Attach Wizard's ProjectListCtrl, 
         consolidate and clean up Mac accessibility code.
     
@@ -5390,3 +5391,10 @@ David  21 Jul 2010
 		main.cpp,h
 	clientgui/
 		NoticeListCtrl.cpp
+
+Charlie 21 Jul 2010
+    - MGR: Mark all notices as having been read if either Simple GUI 
+        messages dialog or Advanced GUI Notices tab is open.
+        
+    clientgui/
+        MainDocument.cpp
diff --git a/clientgui/MainDocument.cpp b/clientgui/MainDocument.cpp
index dec304f1ee..0f3e9c2707 100644
--- a/clientgui/MainDocument.cpp
+++ b/clientgui/MainDocument.cpp
@@ -1823,7 +1823,7 @@ int CMainDocument::CachedNoticeUpdate() {
             
             int currentTabView = pFrame->GetCurrentViewPage();
             // Consider all notices as having been read if Notices tab is open
-            if ((currentTabView & VW_NOTIF) && wxGetApp().IsActive()) {
+            if ((currentTabView & (VW_NOTIF | VW_SMSG)) && wxGetApp().IsActive()) {
                 if (m_iLastReadNoticeSequenceNumber != m_iNoticeSequenceNumber) {
                     m_iLastReadNoticeSequenceNumber = m_iNoticeSequenceNumber;
                     m_iLastReadNoticeArrivalTime = notices.notices[0]->arrival_time;