diff --git a/include/xvtility.cpp b/include/xvtility.cpp
index fc3b30e0e..1b6b93643 100755
--- a/include/xvtility.cpp
+++ b/include/xvtility.cpp
@@ -666,7 +666,7 @@ void xvt_draw_rect(WINDOW win, const RCT& rect, COLOR lt, COLOR rb, short depth)
     PNT p;      // Current vertex of the rectangle
 
     bool drawn = FALSE;
-    if (lt != BTN_BACK_COLOR)
+    if (lt != MASK_BACK_COLOR)
     {
       p.h = r.left; p.v = r.bottom;
       xvt_dwin_draw_set_pos(win, p);
@@ -678,7 +678,7 @@ void xvt_draw_rect(WINDOW win, const RCT& rect, COLOR lt, COLOR rb, short depth)
       drawn = TRUE;
     }
 
-    if (rb != BTN_BACK_COLOR)
+    if (rb != MASK_BACK_COLOR)
     {
       if (pen.color != rb)
       {