diff --git a/lcl/interfaces/gtk2/gtk2devicecontext.inc b/lcl/interfaces/gtk2/gtk2devicecontext.inc
index cd3d67179e..fede575c7c 100644
--- a/lcl/interfaces/gtk2/gtk2devicecontext.inc
+++ b/lcl/interfaces/gtk2/gtk2devicecontext.inc
@@ -1073,7 +1073,7 @@ begin
     //invert background / foreground colors to match Windows.FillRect behavior
     //with a 1bit bitmap pattern brush (bit set -> back color, bit unset -> text color)
     EnsureGCColor(HDC(Self), dccCurrentTextColor, False, True);
-    EnsureGCColor(HDC(Self), dccCurrentBackColor, False, False);
+    EnsureGCColor(HDC(Self), dccCurrentBackColor, True, True);
     gdk_gc_set_stipple(GC, CurrentBrush^.GDIBrushPixmap);
     //use GDK_OPAQUE_STIPPLED to draw both background and foreground color
     gdk_gc_set_fill(GC, GDK_OPAQUE_STIPPLED);