Index: branches/czw_branch/20120906/ppSkycell/src/ppSkycellLoop.c
===================================================================
--- branches/czw_branch/20120906/ppSkycell/src/ppSkycellLoop.c	(revision 34625)
+++ branches/czw_branch/20120906/ppSkycell/src/ppSkycellLoop.c	(revision 34772)
@@ -272,6 +272,6 @@
 	    psImageOverlaySection(image2, bin2RO->image, xOffset2, yOffset2, "E");
             if (data->masksName) {
-                psImageOverlaySection(mask1, bin1RO->mask, xOffset1, yOffset1, "=");
-                psImageOverlaySection(mask2, bin2RO->mask, xOffset2, yOffset2, "=");
+                psImageOverlaySection(mask1, bin1RO->mask, xOffset1, yOffset1, "M");
+                psImageOverlaySection(mask2, bin2RO->mask, xOffset2, yOffset2, "M");
             }