diff --git a/gui/gui/src/TGColorSelect.cxx b/gui/gui/src/TGColorSelect.cxx
index ee7c4538816a9920878cad6d46da7f3577e58f78..fb5eeaa035764a06df748acd1da5d75e44496487 100644
--- a/gui/gui/src/TGColorSelect.cxx
+++ b/gui/gui/src/TGColorSelect.cxx
@@ -526,7 +526,7 @@ void TGColorSelect::DoRedraw()
 
       if (fState == kButtonDown) { ++x; ++y; }
 
-      DrawTriangle(GetShadowGC()(), x, y);
+      DrawTriangle(GetBlackGC()(), x, y);
 
    } else {