diff --git a/clientgui/BOINCListCtrl.cpp b/clientgui/BOINCListCtrl.cpp
index 0b1dd14452..1e61bf42c6 100644
--- a/clientgui/BOINCListCtrl.cpp
+++ b/clientgui/BOINCListCtrl.cpp
@@ -242,7 +242,7 @@ void CBOINCListCtrl::DrawProgressBars()
     wxClientDC dc(this);
     m_bProgressBarEventPending = false;
 #else
-    wxWindowDC dc(GetMainWin());   // Available only in wxGenericListCtrl
+    wxClientDC dc(GetMainWin());   // Available only in wxGenericListCtrl
 #endif
 
     if (progressColumn < 0) {
diff --git a/mac_build/buildWxMac.sh b/mac_build/buildWxMac.sh
index 1356e9bf33..727b39e249 100644
--- a/mac_build/buildWxMac.sh
+++ b/mac_build/buildWxMac.sh
@@ -31,6 +31,7 @@
 # Enable wxWidgets asserts in Release build 3/6/14
 # Disable all wxWidgets debug support in Release build (revert 3/6/14 change) 5/29/14
 # Fix wxListCtrl flicker when resizing columns in wxCocoa 3.0.0 6/13/14
+# Revise fix for wxListCtrl flicker to match the fix in wxWidgets trunk 6/19/14
 #
 ## This script requires OS 10.6 or later
 ##
@@ -118,25 +119,24 @@ fi
 
 echo ""
 
-# Patch wxWidgets-3.0.0/src/generic/listctrl.cpp to eliminate flicker when resizing columns
-if [ ! -f src/generic/listctrl.cpp.orig ]; then
+# Patch wxWidgets-3.0.0/src/osx/carbon/dcclient.cpp to eliminate flicker when resizing columns
+if [ ! -f src/osx/carbon/dcclient.cpp.orig ]; then
     cat >> /tmp/listctrl_cpp_diff << ENDOFFILE
---- src/generic/listctrl.cpp	2013-11-11 05:10:39.000000000 -0800
-+++ src/generic/listctrl_patched.cpp	2014-06-13 03:44:28.000000000 -0700
-@@ -3632,7 +3632,7 @@
+--- src/osx/carbon/dcclient.cpp	2014-06-12 22:15:31.000000000 -0700
++++ src/osx/carbon/dcclient-patched.cpp 2014-06-19 01:04:58.000000000 -0700
+@@ -174,7 +174,7 @@
+ 
+ wxClientDCImpl::~wxClientDCImpl()
  {
-     const int lineHeight = GetLineHeight();
- 
--    wxClientDC dc( this );
-+    wxWindowDC dc( this );
-     dc.SetFont( GetFont() );
- 
-     const size_t count = GetItemCount();
+-    if( GetGraphicsContext() && GetGraphicsContext()->GetNativeContext() )
++if( GetGraphicsContext() && GetGraphicsContext()->GetNativeContext() && !m_release )
+         Flush();
+ }
 ENDOFFILE
-    patch -bfi /tmp/listctrl_cpp_diff src/generic/listctrl.cpp
+    patch -bfi /tmp/listctrl_cpp_diff src/osx/carbon/dcclient.cpp
     rm -f /tmp/listctrl_cpp_diff
 else
-    echo "src/generic/listctrl.cpp already patched"
+    echo "src/osx/carbon/dcclient.cpp already patched"
 fi
 
 echo ""