--- a/dwt/graphics/GlyphMetrics.d	Wed Aug 27 14:30:35 2008 +0200
+++ b/dwt/graphics/GlyphMetrics.d	Wed Aug 27 14:32:39 2008 +0200
@@ -79,7 +79,7 @@
  */
 public bool equals (Object object) {
     if (object is this) return true;
-    if (!(object instanceof GlyphMetrics)) return false;
+    if (!( null !is cast(GlyphMetrics)object )) return false;
     GlyphMetrics metrics = cast(GlyphMetrics)object;
     return metrics.ascent is ascent && metrics.descent is descent && metrics.width is width;
 }