diff -Naur poppler-0.14.2.orig/poppler/CairoOutputDev.cc poppler-0.14.2/poppler/CairoOutputDev.cc
--- poppler-0.14.2.orig/poppler/CairoOutputDev.cc	2010-07-13 00:19:57.000000000 +0200
+++ poppler-0.14.2/poppler/CairoOutputDev.cc	2010-08-21 12:29:39.042000012 +0200
@@ -2422,7 +2422,9 @@
   if (cairo_pattern_status (pattern))
     goto cleanup;
 
-  cairo_pattern_set_filter (pattern, filter);
+  cairo_pattern_set_filter (pattern,
+			    interpolate ?
+			    CAIRO_FILTER_BILINEAR : CAIRO_FILTER_NEAREST);
 
   if (!printing)
     cairo_pattern_set_extend (pattern, CAIRO_EXTEND_PAD);