--- poppler-0.15.2/poppler/PSOutputDev.cc-	2010-11-10 23:31:51.000000000 +0100
+++ poppler-0.15.2/poppler/PSOutputDev.cc	2010-11-26 03:52:13.871729108 +0100
@@ -4544,7 +4562,7 @@
   // image/imagemask command
   if ((inType3Char || preload) && !colorMap) {
     writePSFmt("{0:d} {1:d} {2:s} [{3:d} 0 0 {4:d} 0 {5:d}] pdfImM1a\n",
-	       width, height, invert ? "true" : "false",
+	       width, height, invert ? "false" : "true",
 	       width, -height, height);
   } else if (colorMap) {
     writePSFmt("{0:d} {1:d} 8 [{2:d} 0 0 {3:d} 0 {4:d}] pdfIm1\n",
@@ -4552,7 +4570,7 @@
 	       width, -height, height);
   } else {
     writePSFmt("{0:d} {1:d} {2:s} [{3:d} 0 0 {4:d} 0 {5:d}] pdfImM1\n",
-	       width, height, invert ? "true" : "false",
+	       width, height, invert ? "false" : "true",
 	       width, -height, height);
   }