diff -u -r cairo-1.10.2.orig//src/cairo-ft-font.c cairo-1.10.2/src/cairo-ft-font.c
--- cairo-1.10.2.orig//src/cairo-ft-font.c	2011-08-29 17:09:15.000000000 +0200
+++ cairo-1.10.2/src/cairo-ft-font.c	2011-08-29 17:09:59.000000000 +0200
@@ -1743,8 +1743,7 @@
     }
 
     if (other->base.antialias == CAIRO_ANTIALIAS_SUBPIXEL &&
-	(options->base.antialias == CAIRO_ANTIALIAS_DEFAULT ||
-	 options->base.antialias == CAIRO_ANTIALIAS_GRAY)) {
+	options->base.antialias == CAIRO_ANTIALIAS_DEFAULT) {
 	options->base.antialias = CAIRO_ANTIALIAS_SUBPIXEL;
 	options->base.subpixel_order = other->base.subpixel_order;
     }