--- a/BCUnit/Sources/Curses/Curses.c
+++ b/BCUnit/Sources/Curses/Curses.c
@@ -256,10 +256,10 @@ static bool initialize_windows(void)
 
   start_color();
 
-  f_nLeft = application_windows.pMainWin->_begx;
-  f_nTop = application_windows.pMainWin->_begy;
-  f_nWidth = application_windows.pMainWin->_maxx;
-  f_nHeight = application_windows.pMainWin->_maxy;
+  f_nLeft = getbegx(application_windows.pMainWin);
+  f_nTop = getbegy(application_windows.pMainWin);
+  f_nWidth = getmaxx(application_windows.pMainWin);
+  f_nHeight = getmaxy(application_windows.pMainWin);
 
   if (NULL == (application_windows.pTitleWin = newwin(3, f_nWidth, 0, 0))) {
     goto title_fail;
@@ -358,10 +358,10 @@ static void refresh_windows(void)
 {
   refresh();
 
-  f_nLeft = application_windows.pMainWin->_begx;
-  f_nTop = application_windows.pMainWin->_begy;
-  f_nWidth = application_windows.pMainWin->_maxx;
-  f_nHeight = application_windows.pMainWin->_maxy;
+  f_nLeft = getbegx(application_windows.pMainWin);
+  f_nTop = getbegy(application_windows.pMainWin);
+  f_nWidth = getmaxx(application_windows.pMainWin);
+  f_nHeight = getmaxy(application_windows.pMainWin);
 
   refresh_title_window();
   refresh_progress_window();
@@ -907,10 +907,10 @@ static bool create_pad(APPPAD* pPad, WIN
   pPad->uiColumns = uiCols;
   pPad->uiPadRow = 0;
   pPad->uiPadCol = 0;
-  pPad->uiWinLeft = application_windows.pDetailsWin->_begx + 1;
-  pPad->uiWinTop = application_windows.pDetailsWin->_begy + 1;
-  pPad->uiWinColumns = application_windows.pDetailsWin->_maxx - 2;
-  pPad->uiWinRows = application_windows.pDetailsWin->_maxy - 2;
+  pPad->uiWinLeft = getbegx(application_windows.pDetailsWin) + 1;
+  pPad->uiWinTop = getbegy(application_windows.pDetailsWin) + 1;
+  pPad->uiWinColumns = getmaxx(application_windows.pDetailsWin) - 2;
+  pPad->uiWinRows = getmaxy(application_windows.pDetailsWin) - 2;
 
   bStatus = true;