diff --git a/docs/changes.txt b/docs/changes.txt
index dac31aa9f4..5278f00faa 100644
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -449,6 +449,7 @@ MSW:
 - Fix Cygwin 1.7 build (David Gangola).
 - Allow using wxDC::DrawText() with multiline texts.
 - Fix wxBitmapButton best size determination broken in 2.9.1.
+- Center task dialog-based wxProgressDialog on the parent (John Roberts).
 
 
 
diff --git a/src/msw/progdlg.cpp b/src/msw/progdlg.cpp
index 4bceee31c7..cf03fd80f1 100644
--- a/src/msw/progdlg.cpp
+++ b/src/msw/progdlg.cpp
@@ -73,10 +73,12 @@ public:
         m_progressBarMarquee = false;
         m_skipped = false;
         m_notifications = 0;
+        m_parent = NULL;
     }
 
     wxCriticalSection m_cs;
 
+    wxWindow *m_parent;     // Parent window only used to center us over it.
     HWND m_hwnd;            // Task dialog handler
     long m_style;           // wxProgressDialog style
     int m_value;
@@ -632,6 +634,7 @@ bool wxProgressDialog::Show(bool show)
         m_sharedData->m_range = m_maximum;
         m_sharedData->m_state = Uncancelable;
         m_sharedData->m_style = GetPDStyle();
+        m_sharedData->m_parent = GetTopParent();
 
         if ( HasPDFlag(wxPD_CAN_ABORT) )
         {
@@ -821,6 +824,27 @@ wxProgressDialogTaskRunner::TaskDialogCallbackProc
                            0,
                            MAKELPARAM(0, sharedData->m_range) );
 
+            // We always create this task dialog with NULL parent because our
+            // parent in wx sense is a window created from a different thread
+            // and so can't be used as our real parent. However we still center
+            // this window on the parent one as the task dialogs do with their
+            // real parent usually.
+            if ( sharedData->m_parent )
+            {
+                wxRect rect(wxRectFromRECT(wxGetWindowRect(hwnd)));
+                rect = rect.CentreIn(sharedData->m_parent->GetRect());
+                ::SetWindowPos(hwnd,
+                               NULL,
+                               rect.x,
+                               rect.y,
+                               -1,
+                               -1,
+                               SWP_NOACTIVATE |
+                               SWP_NOOWNERZORDER |
+                               SWP_NOSIZE |
+                               SWP_NOZORDER);
+            }
+
             // If we can't be aborted, the "Close" button will only be enabled
             // when the progress ends (and not even then with wxPD_AUTO_HIDE).
             if ( !(sharedData->m_style & wxPD_CAN_ABORT) )