Index: trunk/ppMerge/src/ppMerge.c
===================================================================
--- trunk/ppMerge/src/ppMerge.c	(revision 23195)
+++ trunk/ppMerge/src/ppMerge.c	(revision 23463)
@@ -55,4 +55,5 @@
       case PPMERGE_TYPE_FLAT:
       case PPMERGE_TYPE_FRINGE:
+      case PPMERGE_TYPE_CTEMASK:
         if (!ppMergeScaleZero(config)) {
             psErrorStackPrint(stderr, "Error getting scale and zero-points.");