diff --git a/checkin_notes b/checkin_notes
index 4053e4a397..11ec3c95a6 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -1814,3 +1814,11 @@ Charlie 17 Feb 2012
 
     client/
         coproc_detect.cpp
+
+Charlie 18 Feb 2012
+    - MGR: Fix a Mac-only bug which showed Event Log if About BOINC is selected 
+        from task bar menu when BOINC is hidden.
+
+    clientgui/
+        BOINCGUIApp.cpp
+        BOINCTaskBar.cpp
diff --git a/clientgui/BOINCGUIApp.cpp b/clientgui/BOINCGUIApp.cpp
index a22e32c334..874b6c5069 100644
--- a/clientgui/BOINCGUIApp.cpp
+++ b/clientgui/BOINCGUIApp.cpp
@@ -789,18 +789,19 @@ int CBOINCGUIApp::IdleTrackerDetach() {
 
 
 void CBOINCGUIApp::OnActivateApp(wxActivateEvent& event) {
+#ifdef __WXMAC__
+    // Make sure any modal dialog (such as Attach Wizard) ends up in front.
+    if (IsModalDialogDisplayed()) {
+        event.Skip();
+        return;
+    }
+#endif
+
     if (event.GetActive()) {
         if (m_pEventLog && !m_pEventLog->IsIconized()) {
             m_pEventLog->Raise();
         }
         m_pFrame->Raise();
-        
-#ifdef __WXMAC__
-        // Make sure any modal dialog (such as Attach Wizard) ends up in front.
-        if (IsModalDialogDisplayed()) {
-            wxDynamicCast(wxWindow::FindWindowById(ID_ANYDIALOG), wxDialog)->Raise();
-        }
-#endif
     }
     event.Skip();
 }
diff --git a/clientgui/BOINCTaskBar.cpp b/clientgui/BOINCTaskBar.cpp
index 01e45bff88..d448f32d76 100644
--- a/clientgui/BOINCTaskBar.cpp
+++ b/clientgui/BOINCTaskBar.cpp
@@ -248,9 +248,17 @@ void CTaskBarIcon::OnSuspendResumeGPU(wxCommandEvent& WXUNUSED(event)) {
 }
 
 void CTaskBarIcon::OnAbout(wxCommandEvent& WXUNUSED(event)) {
-    bool bWasVisible;
+    bool bWasVisible = wxGetApp().IsApplicationVisible();
+#ifdef __WXMAC__
+    bool bEventLogWasShown = false;
 
-    bWasVisible = wxGetApp().IsApplicationVisible();
+    CDlgEventLog* eventLog = wxGetApp().GetEventLog();
+    if (eventLog) {
+        bEventLogWasShown = eventLog->IsShown();
+        if (bEventLogWasShown && !bWasVisible) eventLog->Show(false);
+    }
+#endif
+    
     wxGetApp().ShowApplication(true);
 
     ResetTaskBar();
@@ -261,6 +269,10 @@ void CTaskBarIcon::OnAbout(wxCommandEvent& WXUNUSED(event)) {
     if (!bWasVisible) {
         wxGetApp().ShowApplication(false);
     }
+    
+#ifdef __WXMAC__
+    if (bEventLogWasShown) eventLog->Show(true);
+#endif
 }